... cellphone.5.Talking time:up to 6H,Standby time:about 180H6.Internal,nonremovable,rechargeable battery7.No wires,no limits,bluetooth ... ,mute function ,more attractive10.CE,FCC,RoHS approvalProduct Specification:Bluetooth Version: v2.1+EDR Profiles: Headset, Handsfree, AVRCP ... 10M Talk Time: 5 Hours Listen Time: 4 Hours Standby Time: 180 Hours Compatibility/Pairing: All Bluetooth devices V2.1 and ...