The Steel Wireless Headset from Jabra is a ruggedized in-ear Bluetooth headset designed for taking calls in tough conditions. This industrial strength headset is dust, water, and shock resistant. Its extra-large buttons make it easy to access even with your work gloves on. The Steel supports Bluetooth v4.1. It can pair up to 8 devices in its memory and can be connected to two devices simultaneously. The Steel's built-in rechargeable battery provides up to 6 hours of talk time and up to 10 days of standby time per charge. The headset can announce battery and connection status and has automatic volume adjustment based upon external noise.