Original Motorola H500 Universal bluetooth Headset.  Compatible with all bluetooth enabled cell phones, PDA and other devices. An adjustable earhook allows the headset to be worn on either the left or right ear. Intuitive, easy to use controls. Simply press the multifunction button, place the headset on your ear and a link is automatically established (must pair the heaset with your phone the first time it is used). The multifunction button allows you to place, receive or end calls, all with the push of a button. Easily adjust the volume and mute your call from the headset. 2 volume buttons. Call button to handle incoming and outgoing calls. Compact size and lightweight, easy storage when not in use. Comfortable design.