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