Weighs less than 10 grams and measures L3.9 x W2 x D2 cm Digital sound enhancement via DSP technology One-touch pairing button .Optional charging from PC via USB Up to 6 hours talk time and 200 hours standby Multi-coloured LED light indicators for status on Bluetooth, battery and charging different wearing styles - with or without the earhook Easy accessible volume control .Voice dial, call hold/call wait, last number re-dial, answer/end call, reject call .Bluetooth 1.2 supporting headset and hands-free profile Availabe color: black and silver