JPL 5012 is a monaural headset. A universal Plug & Play USB office and contact centre headset. Works with all softphones. Comfortable for all day wear with 55mm leatherette ear cushion and a fitted cushioned headband. 3 button in-line control: Volume up/down and call mute. USB Type A connectivity. Surround Shield noise cancelling microphone with 'put and stay' ratchet boom arm.