Features: 1) Simply turn the headset on, place it on your ear and a Bluetooth link is automatically established 2) The multifunction button allows you to place, receive or end calls, all with the push of a button 3) With Bluetooth wireless technology, devices work together even up to 10 meters (30 feet) away 4) The overall compact size and lightweight (less than 20g) allows for easy storage when not in use 5) Lengthy talk and standby times include up to 6 hours of talk time or 100 hours of standby time from a single full charge 6) Dimensions: 1.7 x 2.8 x 0.8 7) Other models: compatible for Motorola 588, 688 series, Sony Ericsson 718, 738 series, Samsung WEP150