- Triple connectivity: Connect to deskphone, Bluetooth mobile phone, or computer (PC or Mac), USB-A- Long range bluetooth up to 250 ft (75 m)- Call control on the headset (answer/end, volume up/down and mute)- 7 hours talk time (9 days standby)- Digital MEMS omni-directional four mic array- Design for outdoor use, with windSmart technology and P2i coating for moisture protection- Six layers of WindSmart technology, PC wideband and mobile wideband: up to 6,800 Hz; echo cancellation, proprietary DSP, A2DP- Headset weight 20 grams (0.04 lbs)- Amazon Alexa compatible- Remote answering with lifter (HL10) or electronic hook switch module (EHS), sold separately