Features: Continuous call time : more than 10 Hours Music playback time : about 6.5 Hours Charge time : less than 2 Hours Charge port : Micro USB Standby time : more than 130 hours Battery capacity : 130 mAh Bluetooth Version : V4.0 Barrier-free Wireless distance : about 10 m Allows you to conveniently answer calls or listen to music while doing sports Supports multipoint technology allowing to connect two phones at the same time Main function:vibration prevention lost,calls vibration To Cable. Switch voice prompts Vibration swith Long Standby A link to two IOS battery display