The Jabra® steel wireless in-ear headset is dust, water and shock resistant. It has extra-large buttons for easy access with your work gloves. This headset can pair up to eight devices in its memory. It can connect two devices simultaneously and supports Bluetooth v4.1. This headset comes with built-in rechargeable battery that offers up to 6 hrs of talk time and up to 10 days of standby time per charge. It features auto pairing, noise cancelling, voice status alert, LED charge indicator for enhanced operation. This headset is perfect for taking calls in tough conditions.