Shenzhen Ruijiahua Technology Co., Limited
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Bluetooth version: V5.0
Support Agreement: HFP/HSP/AVRCP/A2DP
Transmission distance: 10meters
Built-in rechargeable Battery: 35mAh x 2
Charging box: 300mAh
Driver Diameter: 10mm
Talk time: 3H
Music play time: 3H
Charging Time for the earphone:about 1 hours
Charging Time for the charging case:about 1.5 hours
Sensitivity:98dB+/-5dB
Frequency Range: 20Hz -20KHz