Universal Freedom to Talk Lightweight and comfortable, the hands-free headset enables you to carry on conversations while you continue to do other things. Whether walking or working you can continue using your phone without the hassle of holding it. Just put on and plug in the headset, place your phone in your pocket or on your desk, and resume talking. FEATURES Universal headset Worn on either ear Hands-free convenience On / off button Adjustable microphone position Color/Design: Silver and Black Compatibility Compatible with 2.5mm jack phones. Universal Silver and Black Over-the-Ear 2.5mm Headset