Stereo bluetooth headset Bluetooch Specifications:Version 1.2 Class 2 bluetooch Profile Supported:Headset,Hands-free.A2DP,AVRCP Range of Frequency:2.402-2.48 GHZ Dimensions(L×W×T):58×29×8 mm Built-in Recharaeable poly li-ion battery Range up to 30 feet(10 meters) Nominal Charging Time:Within 2 hours Talking Time:up to 8 hours Play Time: up to 10 hours Standby Time: up to 200 hours