FULL CALL CONTROL: This adapter includes in-line volume control and mute functionality giving the user full control during the call with a touch of a button. COMPATIBILITY: The TruVoice Jabra USB Adapter is built to work with ALL UC applications and softphones from Microsoft, Avaya, Cisco and others. With Most Applications the Adapter is plug and play but if the headset does not auto connect when plugged into the USB please manually add the headset as your speaker and microphone in your software application. DURABILITY : Durable and strong, Ideal for everyday use. Connects to and works with ALL Jabra QD Headsets. LENGTH : Straight Cable Length = 70 Inches. CONNECTION TYPE : Connects to and works with ALL Jabra Quick Disconnect (QD) Headsets, this adapter connections from the headset QD directly into the USB port on Computers, Laptops and Softphones.