Bone Conduction Earphones Combo:3 PCS (SAVE MORE 35%) High quality fabric will effectively

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Bone Conduction Earphones Combo:3 PCS (SAVE MORE 35%) High quality fabric will effectivelyEnjoy Comfort And Convenience! Specifications: Bluetooth specification: V5. 2. Charging voltage: 5V 1A. Frequency response: 20Hz~20kHz. Sensitivity: 112. 53dB. Battery capacity of the headset: 35mAh. Battery capacity of the storage box: 300mAh. Transmission distance: 15M. Play time: About 3. 5 4. 5 Hours. Chartime: About of headset: About 1 Hours. Charging time of the Charging box: 1. 5 Hours. Package Include: 1x S03 TWS Bluetooth headset (left and