*Weight:9 grams *Dimensions:42*18*11mm *Interfaces:Bluetooth v 2.0 specification with牋EDR,Handsfree 1.2 and Headset 1.1 profiles *Headset and handsfree profile supported.牋 *Up to 4 hrs talk time and 200 hrs standby time.牋 *Removable ear-hook fits either ear.牋 *Fashion and stylish design.牋 *Compatible with various Bluetooth enabled devices such as mobile phones, PDAs and Laptops.牋 *Friendly user's interface.牋 *Noise suppression, echo elimination and duplex sound for crystal clear quality calls.