The Jabra Engage 55 Convertible is a Miscosoft optimized DECT wireless headset featuring improved noise-cancelling technology and microphone performance. The Engage 55 has anser/end call, mute and volume control buttons as well as a busy light to let everyone know you are on a call. The headset comes with its charging station, connecting with a USB-A cable. Weighing 21g, it can run continously for up to 9 hours in a 150m range. 1-year limited warranty. Black.