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Bluetooth Version: V5.4+EDR
Chipset: AB5756
Profile:A2DP/HFP/HSP/AVRCP
Bluetooth Distance:10m
Impedence: 32Ω
Driver Size:φ13mm
Frequency Range:20-20Khz
Sensitivity: 110±3dB
Battery: 30mAh earbuds/200mAh charging case
Charging port type: Type-C
Charging Time: 1.5 HRS
The numbers of re-charge:3
Charging input(Amps):5V 1A
100% volume Playing Time: 5H
50% volume Playing Time: 5.5H