JR-B02S Single side bluetooth headset with Power box

Name: Unilateral business wireless headsetModel: JR-B02SType: in earBT version: V5.1BT chip: AD6973A4BT audio decoding: SBC / AACSupport protocols: HSP/HFP/A2DP/AVRCPSpeaker sensitivity: 116 ± 3dBMicrophone sensitivity: - 42 ± 3dBFrequency response: 20Hz-20KHzBattery capacity: 70mAhSpeaker impedance: 32 ΩRated power: 2mWSpeaker: Φ 10mmMusic time: 14HTalk time: 12HStandby time: about 120HInput: DC 5V/1AVehicle-mounted input port: Type-CHeadset charging input port: MicroCharging time: about 1.5HProduct material: ABSNet weight: 20g