* Version 1.2 * Bluetooth Profile Supported: Headset and Handsfree Profiles * Frequency Range:2.4GH Spectrum * working Distance Range :10M * Dimensions（main unit）:58（L）X 22.0（W）X 23（T）mm * Weight（main unit）:<12g(include battery) * Charghing Time: Within 2.5 hours * Talk time: Up to 5 hours * Standby Time: Up to 200 hours * Rechargeable * Battery:Lithium Polymer,3.6V,150mAh installed (Contact info: kuki(at)in-tang.com; Skype:kuki789)