Single Device Trackball Computer Mice

Experience effortless control and comfort with the Ergo M575S Wireless Trackball. Designed to keep your hand and forearm relaxed, this ergonomically certified trackball mouse ensures a natural posture that significantly reduces muscle strain during extended use. With its intuitive thumb control, you can navigate effortlessly without needing to move your hand, making it perfect for tight spaces or busy workstations. The mouse features three customizable buttons that allow you to tailor your workflow for quick access to your favorite shortcuts through the Logi Options+ app. Enjoy up to 18 months of battery life with the included AA battery, ensuring uninterrupted productivity. The Ergo M575S offers dual connectivity options, allowing you to connect via Bluetooth Low Energy or the included Logi Bolt USB Receiver, seamlessly integrating with your devices. In addition to its exceptional performance, this trackball mouse supports sustainability, as it is made with 52% post-consumer recycled plastic for the Graphite/Black variant. In terms of specifications, the mouse measures 5.28 inches in height, 3.94 inches in width, and 1.89 inches in depth, weighing 5.11 ounces. It employs Logitech Advanced Optical Tracking with a DPI range of up to 2000, ensuring smooth and precise movement. The product also comes with a 1-Year Limited Hardware Warranty for added peace of mind. For system compatibility, the USB receiver requires a USB-A port and is compatible with Windows 10/11 or later and macOS 12 or later. Bluetooth connectivity also supports a range of operating systems, including Linux, ChromeOS, iPadOS 15 or later, and Android 12 or later. Included in the box are the Ergo M575S Wireless Trackball Mouse, a Logi Bolt USB Receiver, a single AA battery, and necessary documentation. Revolutionize your workspace with the Ergo M575S Wireless Trackball, where comfort meets functionality for all-day productivity..Employs Logitech Advanced Optical Tracking technology for precise cursor control and smooth navigation, making it ideal for productivity tasks while also suitable for casual gaming due to its responsive tracking and customizable buttons, although it is not specifically designed for competitive gaming..Offering both Bluetooth and USB connectivity options for versatile usage..Designed specifically for right-handed users, providing ergonomic comfort and control..Utilizes both Bluetooth and USB connectivity, allowing for versatile connection options to your devices..Requires 1 AA battery for operation, which is included in the package. This setup provides an impressive battery life of up to 18 months, depending on usage..Supports multi-device connectivity, allowing users to seamlessly switch between multiple devices using either Bluetooth or the Logi Bolt USB receiver..Certified by ergonomists and meets sustainability standards with its construction, which includes a significant percentage of post-consumer recycled materials. The packaging is also made from FSC-certified paper, reflecting a commitment to responsible forest management..Comes with a 1-Year Limited Hardware Warranty, ensuring peace of mind and quality assurance for users..Package includes the Ergo M575S Wireless Trackball Mouse, a Logi Bolt USB Receiver, one AA battery, and documentation for easy setup and use.

Experience MX Ergo S advanced wireless trackball, user-tested and certified by ergonomists, with a 20-degree tilt angle for 27% less muscle strain in your forearm(1) and more comfort throughout your day. With no need to move the hand around to move the cursor, thumb control lets you work at peak performance and comfort while saving space on your desk. Equipped with quiet clicks, 6 customizable buttons with the Logi Options+ App, dual connectivity with the included Logi Bolt receiver, and fast USB-C charging to get 24h of use with a 1-min charge (cable not included)..Advanced thumb control: The MX Ergo S Advanced wireless trackball mouse gives more control with less movement; switch between speed and high-precision tracking at the tap of a button.20-degree tilt: A wireless ergonomic mouse with a tilt angle for better forearm posture, reducing muscle strain by 27% (1); now with 80% quieter clicks.Contoured for your hand: The MX Ergo S is certified by ergonomists for improved comfort, with a sculpted ergonomic design, 20-degree tilt angle, and soft rubber grip; for medium- to large-sized hands.Boost your productivity using the Logi Options+ App: Experience enhanced control in your daily tasks with 6 customizable buttons, time-saving shortcuts, and Smart Actions.Quick USB-C charging: Enjoy up to 24h of use from a 1 min charge or up to 120 days with a full charge; charges with a USB Type C to Type C or USB Type A to Type C cable (not included).Dual wireless connectivity: Connect your rechargeable wireless mouse via Bluetooth or Logi Bolt USB receiver (included); switch between computers with a tap of the Easy-Switch button.Made with recycled plastic: The plastic parts in the MX Ergo S wireless rechargeable mouse are made of 20% certified post-consumer recycled plastic.Complete your advanced setup: Pair the MX Ergo S with the ERGO K860 ergonomic split-curved keyboard, featuring an integrated cushioned palm rest for all-day comfort.Safety Data Sheet.Elevate your comfort and precision

Upgrade to smarter scrolling and more productivity with a mouse comfort-fit for your hand size and preference. You’ll work faster than ever before thanks to SmartWheel scrolling, silent clicks, and a contoured comfort design. Smart wheel Scrolling provides line-by-line precision for documents – and super fast scrolling for long web pages. Choose the right design for you – whether you have smaller or larger hands – and work long hours in comfort thanks to the computer and laptop mouse's contoured shape and soft-to-the-touch thumb area. Connect instantly via Bluetooth or Logi Bolt USB receiver. Customize the side buttons for your favorite shortcuts with Logitech Options+. Work in peace and quiet thanks to 90 percent less click noise and Logitech SilentTouch technology*. Plus, work for up to 2 years on the included AA battery so you never have to worry about recharging your mouse.**.Scroll smarter: With Logitech Signature M650 Wireless Mouse you get line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the SmartWheel.The optimal fit for your hand: This comfortable mouse is designed for small-to-medium sized hands, for the optimal fit.Upgrade your comfort: This work mouse provides long hours of comfort thanks to a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place.Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver.Less noise, more focus: Whether working at the office or at home, Logitech Signature M650 is a quiet mouse, allowing you to enjoy 90 percent less click noise with SilentTouch technology*.Customizable side buttons: Customize the side buttons on the computer mouse with Logitech Options+, available on Windows and macOS, to your favorite shortcuts – like back/forward or copy/paste.24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse**.Works on multiple platforms: Experience seamless compatibility with Windows, macOS, Linux, Chrome OS, ipadOS, and Android operating systems with Logitech Signature M650 wireless Bluetooth mouse.SCROLLS SMARTER. FITS BETTER.

Upgrade to smarter scrolling and more productivity with a mouse comfort-fit for your hand size and preference. You’ll work faster than ever before thanks to SmartWheel scrolling, silent clicks, and a contoured comfort design. Smart wheel Scrolling provides line-by-line precision for documents – and super fast scrolling for long web pages. Choose the right design for you – whether you have smaller or larger hands – and work long hours in comfort thanks to the computer and laptop mouse's contoured shape and soft-to-the-touch thumb area. Connect instantly via Bluetooth or Logi Bolt USB receiver. Customize the side buttons for your favorite shortcuts with Logitech Options+. Work in peace and quiet thanks to 90 percent less click noise and Logitech SilentTouch technology*. Plus, work for up to 2 years on the included AA battery so you never have to worry about recharging your mouse.**.Scroll smarter: With Logitech Signature M650 Wireless Mouse you get line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the SmartWheel.The optimal fit for your hand: This comfortable mouse is designed for small-to-medium sized hands, for the optimal fit.Upgrade your comfort: This work mouse provides long hours of comfort thanks to a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place.Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver.Less noise, more focus: Whether working at the office or at home, Logitech Signature M650 is a quiet mouse, allowing you to enjoy 90 percent less click noise with SilentTouch technology*.Customizable side buttons: Customize the side buttons on the computer mouse with Logitech Options+, available on Windows and macOS, to your favorite shortcuts – like back/forward or copy/paste.24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse**.Works on multiple platforms: Experience seamless compatibility with Windows, macOS, Linux, Chrome OS, ipadOS, and Android operating systems with Logitech Signature M650 wireless Bluetooth mouse

The Logitech Advanced Corded Mouse M500s with hyper-fast scrolling for increased productivity. The scroll wheel lets you fly through long documents and Web pages with a single flick. Or switch to click-to-click mode for precise, line-by-line navigation of lists, slides, images, and menus. Now with 400-4000 adjustable DPI for fast and ultra-precise cursor control..Logitech M500s Advanced Corded Mouse has an optical Sensor with adjustable DPI levels (400-4000). Ideal for everyday computing tasks, office work, and general home use. The customizable buttons and ergonomic design make it suitable for a variety of tasks..The Logitech M500s Advanced Corded Mouse is a wired mouse. It connects to your computer using a USB cable, providing a reliable connection without the need for batteries..It is designed to be ambidextrous, meaning it can be used comfortably by both right-handed and left-handed users.The Logitech M500s Advanced Corded Mouse uses a USB interface type. This ensures a reliable connection to your computer without needing batteries or wireless setup..This product has been certified by Logitech to meet Google's compatibility standards..It comes with a 1 year warranty..7 customizable buttons: Use Logitech Options+ software and the 7 programmable buttons to customize efficient, task-specific shortcuts such as back-forward navigation, copy-paste, music controls and more..Extreme comfort: This full-size mouse has soft side rubber grips and a sculpted design that give you more palm support and better control for long hours of productivity at the office or at home

30% off  of Logitech Signature M650 L Wireless Ergonomic Optical Mouse, Graphite (910-006231)

Upgrade to smarter scrolling, better comfort, and more productivity with the Signature M650 L. Тhe versatile mouse features an adaptive scroll SmartWheel that delivers line-by-line precision, and auto-switches to super fast free spin mode with the flick of a finger. A choice of sizes for smaller, larger and left hands means there's a perfect fit for anyone. Seamless wireless connectivity, customizable side buttons, and a comfort shape keep you comfortably and productive hour after hour. Logitech’s SilentTouch technology delivers silent clicks to keep you focused – while 24-month battery life** and universal operating system compatibility ensure hassle-free performance..Scroll smarter: With Logitech Signature M650 Wireless Mouse you get line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the SmartWheel.The optimal fit for your hand: This comfortable full size mouse is designed for larger hands, for the optimal fit.Upgrade your comfort: This work mouse provides long hours of comfort thanks to a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place.Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver.Less noise, more focus: Whether working at the office or at home, Logitech Signature M650 is a quiet mouse, allowing you to enjoy 90 percent less click noise with SilentTouch technology*.Customizable side buttons: Customize the side buttons on the computer mouse with Logitech Options+, available on Windows and macOS, to your favorite shortcuts – like back/forward or copy/paste.24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse**.Works on multiple platforms: Experience seamless compatibility with Windows, macOS, Linux, Chrome OS, ipadOS, and Android operating systems with Logitech Signature M650 wireless Bluetooth mouse.SCROLLS SMARTER. FITS BETTER.

Make your workstation livelier with this Logitech M325 wireless optical mouse, flaunting a colorful design that makes it stand out. This mouse offers three handy buttons that help you easily navigate documents and the internet. The scroll wheel allows you to scroll through pages smoothly, and tilting the mouse as you browse allows you to go back and forth between pages. Simply plug the receiver into your computer to start using the mouse right away..Optical mouse with advanced tracking.Bluetooth connectivity supports a clutter-free workplace.Features three buttons and a scroll wheel for easier navigation.Ambidextrous mouse for versatility.Requires a USB port and is compatible with the following operating systems: Chrome OS, Windows Vista or later, Mac OS X 10.5 or later, and Linux Kernel 2.6+.Dimensions: 0.4” x 15.5” x 7.8”.Single AA battery provides up to 18 months of power.Comes with a three year limited warranty.Get a grip on your work with this optical wireless mouse from Logitech.

Upgrade to smarter scrolling and more productivity with a mouse comfort-fit for your hand size and preference. You’ll work faster than ever before thanks to SmartWheel scrolling, silent clicks, and a contoured comfort design. Smart wheel Scrolling provides line-by-line precision for documents – and super fast scrolling for long web pages. Choose the right design for you – whether you have smaller or larger hands – and work long hours in comfort thanks to the computer and laptop mouse's contoured shape and soft-to-the-touch thumb area. Connect instantly via Bluetooth or Logi Bolt USB receiver. Customize the side buttons for your favorite shortcuts with Logitech Options+. Work in peace and quiet thanks to 90 percent less click noise and Logitech SilentTouch technology*. Plus, work for up to 2 years on the included AA battery so you never have to worry about recharging your mouse.**.Scroll smarter: With Logitech Signature M650 Wireless Mouse you get line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the SmartWheel.The optimal fit for your hand: This comfortable mouse is designed for small-to-medium sized hands, for the optimal fit.Upgrade your comfort: This work mouse provides long hours of comfort thanks to a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place.Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver.Less noise, more focus: Whether working at the office or at home, Logitech Signature M650 is a quiet mouse, allowing you to enjoy 90 percent less click noise with SilentTouch technology*.Customizable side buttons: Customize the side buttons on the computer mouse with Logitech Options+, available on Windows and macOS, to your favorite shortcuts – like back/forward or copy/paste.24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse**.Works on multiple platforms: Experience seamless compatibility with Windows, macOS, Linux, Chrome OS, ipadOS, and Android operating systems with Logitech Signature M650 wireless Bluetooth mouse.SCROLLS SMARTER. FITS BETTER.

33% off  of Logitech M720 Triathlon Wireless Ergonomic Optical Mouse, Black (910-004790)

The Logitech M720 Triathlon wireless mouse features superior device connectivity with the ability to connect via both USB port and Bluetooth. The sculpted, ergonomic construction ensures comfortable use and puts the scroll wheel and buttons within easy reach. For even more personalized flexibility, the buttons are fully customizable. Simply press one button to effortlessly switch between three different computers without having to change any connections. To reduce office waste, this mouse can last as long as 24 months on one AA battery..Wireless, multi-device mouse for convenience.Bluetooth and USB connectivity offers flexibility.Customizable buttons for increased functionality.Scrolling mouse with programmable buttons.System requirements for Bluetooth Smart: Windows 10 or later, Windows 8, Mac OS X 10.10 or later, Chrome OS Android 5.0 or later; system requirements for unifying receiver: Windows 10 or later, Windows 8, Windows RT, Windows 7, Mac OS X 10.05 or later, Chrome OS Linux.Dimensions: 4.53" H x 2.91" W x 1.77" D.Ergonomic design for comfort.24 month battery lifespan to reduce waste

Reduce the clutter on employees' desks with the help of this Logitech M325s black ambidextrous wireless optical mouse. Pre-installed with AA batteries that last up to 18 months, the mouse connects to computers with a small USB receiver. A lightweight and compact design makes the mouse easy to transport, perfect for use with laptop computers in or out of the office. A sleek design gives the mouse a professional appearance ideal for use in a business setting..Logitech M325s optical mouse built with advanced optical tracking for enhanced precision.Speedy 2.4GHz wireless connectivity for improved responsiveness.Contoured 3-button design for comfort and quick scrolling.Compatible with Windows 10, 11, or later, macOS 10.5 or later, ChromeOS, Chromebook, and Linux Kernel 2.6+.Pre-installed AA battery for immediate use.Portable design for use with laptops.Ambidextrous design for use by all employees.Small-size wireless receiver can stay in your laptop for convenient use. Please note: When installing this mouse the receiver can be found inside of the mouse..Three buttons can be customized for optimal functionality.Three-year limited warranty for added quality assurance.Logitech M325s black ambidextrous wireless optical mouse features three buttons for easy screen navigation.

Introducing the Logitech MX Master 3S, an iconic mouse remastered for ultimate tactility, performance, and flow. Silent buttons deliver a satisfying tactile feel with 90% less click noise. The MX Master 3S also comes with an 8000 dpi optical sensor for next-gen responsiveness on any surface, even glass. MagSpeed electromagnetic scrolling delivers remarkable speed, precision, and near silence with the ability to scroll 1000 lines a second. Ergonomic silhouette is crafted to support your palm and fingers and comes in black. Logi Options+ enables Flow cross-computer control and introduces more customizations than ever. The MX Master 3S stays powered up to 70 days on a full charge and delivers 3 hours of use from a 1-minute quick charge. Connect the mouse with up to three devices via Bluetooth or the included Logi Bolt USB receiver on Windows, macOS, Chrome OS, or Linux..Perfect optical mouse for everyday use at home or in the office.Take this reliable wireless mouse anywhere.Work comfortably with the right-handed mouse that features a silhouette crafted for a more natural wrist posture and optimally placed thumb controls.Interface type: Bluetooth.Features an embedded rechargeable battery.Connect the mouse with up to three devices via Bluetooth or the included Logi Bolt USB receiver on Windows, macOS, Chrome OS, or Linux.8000 dpi optical sensor ensures reliable tracking.Fast, precise, ultraquiet MagSpeed scrolling: scroll 1000 lines per second.Comes in black.Customize buttons, and optimize your workflow with app-specific profiles in the improved Logi Options+.Flow cross-computer control allows seamless operation on multiple computers or laptops and transfer of text, images, and files between Windows and macOS.Requirements: available USB port, Windows 10/11 or later, macOS 10.15 or later, Linux, ChromeOS.Package contents: wireless mouse, Logi Bolt USB receiver, USB Type-C charging cable (USB Type-A to USB Type-C), user documentation.Safety Data Sheet

Now is wireless. With Logitech M170 Wireless Mouse, choose the reliability of a cord with the convenience of wireless - and a 10-metre (33-foot) range - thanks to Logitech Advanced 2.4 GHz wireless technology. This affordable mouse works for many months on a single AA battery. Set up is simple - just plug the tiny wireless receiver into a USB slot. There's no hassle with pairing or software installation, and M170 is compatible with Windows, Mac and Chrome..Perfect mouse for everyday use at home or in the office, features comfortable design.Take this reliable wireless mouse anywhere.Ambidextrous design allows everybody to use one versatile mouse.Interface type: 2.4GHz.Powered by one AA battery (included).Meets or exceeds the Carbon Neutral and Plug and Play standards.Three buttons for easy navigation.Optical sensor with 1000 dpi resolution ensures reliable tracking.Signal lets you control your cursor from up to 33' away.1-year manufacturer limited warranty.Safety Data Sheet

Upgrade to smarter scrolling, better comfort, and more productivity with the Signature M650 L. Тhe versatile mouse features an adaptive scroll SmartWheel that delivers line-by-line precision, and auto-switches to super fast free spin mode with the flick of a finger. A choice of sizes for smaller, larger and left hands means there's a perfect fit for anyone. Seamless wireless connectivity, customizable side buttons, and a comfort shape keep you comfortably and productive hour after hour. Logitech’s SilentTouch technology delivers silent clicks to keep you focused – while 24-month battery life** and universal operating system compatibility ensure hassle-free performance..Scroll smarter: With Logitech Signature M650 Wireless Mouse you get line-by-line precision for documents and super-fast scrolling for long web pages; simply switch modes with a flick of the SmartWheel.The optimal fit for your hand: This comfortable full size mouse is designed for larger hands, for the optimal fit.Upgrade your comfort: This work mouse provides long hours of comfort thanks to a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place.Connect the way you like: Connect this cordless computer mouse in an instant via Bluetooth Low Energy or Logi Bolt USB receiver.Less noise, more focus: Whether working at the office or at home, Logitech Signature M650 is a quiet mouse, allowing you to enjoy 90 percent less click noise with SilentTouch technology*.Customizable side buttons: Customize the side buttons on the computer mouse with Logitech Options+, available on Windows and macOS, to your favorite shortcuts – like back/forward or copy/paste.24 month battery life: Work for up to 2 years on the single AA battery that comes with your multi-device mouse**.Works on multiple platforms: Experience seamless compatibility with Windows, macOS, Linux, Chrome OS, ipadOS, and Android operating systems with Logitech Signature M650 wireless Bluetooth mouse

Logitech Wireless Mouse M325s. A better mix of precision and comfort-with designed-for-Web scrolling. Designed for how you use the Web, Logitech's micro-precise scrolling makes reading your Facebook, shopping Amazon or scrolling through Google searches easier. Plus, tilting the wheel left or right moves you backward or forward on the Web. Its feel-good, contoured shape and textured rubber grips help keep your hand happy-even after long hours. With many months of battery life, it virtually eliminates the hassle of changing batteries. The tiny USB receiver stays in your laptop. Plus, you'll enjoy precise clicking and pointing while navigating your favorite websites thanks to Logitech Advanced Tracking technology. Designed to improve your online experience, the wheel also helps perfect scrolling when you're using other applications, such as Microsoft Office or Adobe PDF..Perfect mouse for everyday use at home or in the office, features comfortable design.Take this reliable wireless mouse anywhere.Interface type: 2.4GHz.Powered by AA batteries.Five-button design for speed and enhanced functionality.Optical sensor with 1000 dpi resolution ensures reliable tracking.Signal lets you control your cursor from up to 33' away

Upgrade to smarter scrolling, better comfort, and more productivity. The Logitech Signature M550 mouse features SmartWheel scrolling that delivers precision or speed the moment you need it. Seamless wireless connectivity, silent clicks, and the contoured shape keep you comfortable and productive hour after hour..Silent clicks and contoured shape keeps you comfortable and productive hour after hour..Get a strong, reliable wireless connection from up to 32.8' (10m) away..Connection type: Bluetooth Low Energy or Logi Bolt USB receiver.Comes with an included AA battery that lasts for up to 2 years..Meets or exceeds the Carbon Neutral standard..Features three programmable buttons for quick response and personalized setup..Optical sensor with 4000 dpi resolution ensures reliable tracking..Get line-by-line precision when you need to focus on the details, and scroll superfast when you just want to breeze through lengthy pages..Perfect for small-to-medium hands..Features a contoured shape, soft thumb area, and rubber side grips that keep your hand snug and in place..Works on multiple platforms (Windows, macOS, Linux, iPadOS, Android) and is works with Chromebook certified..SilentTouch technology reduces 90% of click sounds, creating a better, quieter environment for you and those around you..Plastic parts include certified postconsumer recycled plastic (a minimum of 26%) to give a second life to end-of-life plastic from old consumer electronics and help reduce carbon footprint..1-year manufacturer limited warranty.

Logitech Wireless Mouse M325s. A better mix of precision and comfort-with designed-for-Web scrolling. Designed for how you use the Web, our newest micro-precise scrolling makes reading your Facebook, shopping Amazon or scrolling through Google searches easier.* Plus, tilting the wheel left or right moves you backward or forward on the Web. Its feel-good, contoured shape and textured rubber grips help keep your hand happy-even after long hours. With up to 18 months of battery life, it virtually eliminates the hassle of changing batteries.** The tiny Logitech Unifying receiver stays in your laptop and lets you add compatible wireless devices to the same receiver. Plus, you'll enjoy precise clicking and pointing while navigating your favorite websites thanks to Logitech Advanced Tracking Technology.* Designed to improve your online experience, the wheel also helps perfect scrolling when you're using other applications, such as Microsoft Office or Adobe PDF.** Battery life may vary based on user and computing conditions..Designed for how you use the Web,* our newest micro-precise scrolling makes reading your Facebook, shopping Amazon or scrolling through Google searches easier. Plus, tilting the wheel moves you backward or forward on the Web.** * Designed to improve your online experience, the wheel also helps perfect scrolling when you're using other applications, such as Microsoft Office or Adobe PDF. **.Based on the best-selling shape in the world, it keeps your hand happy-even after long hours of use-thanks to its contoured shape and textured rubber grips.* * Based on independent sales data (in US$ currency) for CA, US, AU, FR, DE, IT, from September 2008 through August 2010..With up to 18 months of battery life, it virtually eliminates the hassle of changing batteries. Smart sleep mode saves power, while an indicator light eliminates surprises.* * Battery life may vary based on user and computing conditions..The tiny Logitech Unifying Nano-receiver stays in your laptop-so it's less likely to be lost-and gives you a reliable connection with virtually no delays or dropouts. Plus, you can easily add compatible wireless devices to the same receiver..At home, at school, at work- forget about tricky finger maneuvers with your laptop touchpad. Enjoy precise clicking and pointing while navigating your favorite websites thanks to Logitech Advanced Optical Tracking.