Bluetooth chipset: RTL8763B,V5.0
Bluetooth profiles: HSP、HFP、A2DP and AVRCP
working distance:10mm(Barrier-free diatance)
Driver unit: 10mm *2
Sensitivity: 107dB±3dB
Music playing time:3 hours
Battery: 50mAh*2
Charging battery:480mAH
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