Epos IMPACT SDW 5016 USB Dect Headset is a single-sided 3-in-1 headset. The best-in-class, noise-cancelling microphone and own-voice detection technology. Manage calls directly from your headset and switch effortlessly between your devices. Flexible headset that pairs easily to all devices with extensive wireless range up to 180 m/590 ft. Talktime of up to 10 hrs. With clear busy light, noise dampening soft leatherette ear pads for consistent comfort for all-day comfort.