Package:Yes BluetoothStandard:Bluetoothv3.0 Interface:USB ModelNumber:ZJ406300 SupportBluetoothProtocol:A2DP/AVRCP MatchingConnection:1 OperatingVoltage:DC3.3-4.2V WorkingCurrent:<30MA WorkingTime:8hours ChargingTime:2hours WirelessTransmissionRange:>10m AudioPerformance:Stereo ExternalInterface:3.5audiomaleplugUSBmaleplug