Kensington Expert Ergonomic Ambidextrous Optical USB Mouse, Black (K64325)

• Size: 2 1/2"(H) x 5"(W) x 5.8"(D)
• Compatible with Windows 8
• Pointing device connectivity technology: Cable
• Pointing device cable length: 6'
• Pointing device host interface: USB
• Movement detection: Optical
• Detachable wrist rest cradles hand in comfort
• DiamondEye optical tracking for superior accuracy
• Award-winning Scroll Ring for precise fingertip scrolling
• Exceptional comfort for ultimate productivity
• Large ball for maximum precision and control
• Operating systems: Microsoft Windows 98 or later, Mac OS x or later
• System requirements: Internet connections or CD-ROM drives to install the software
• Warranty: 5 years limited

Move quickly between documents and Internet tabs with the Kensington Expert mouse trackball. The scroll ring makes it ideal for precise fingertip scrolling, and it has a detachable wrist rest to help prevent muscle and joint strain during long hours at work. The mouse also features DiamondEye optical tracking for advanced precision.