Bluetooth® Version: 5.3
Bluetooth Distance:10m
Impedance: 32Ω
Frequency Range: 20-20KHz
IPX level: IPX4
Sensitivity: 117±3dB
Signal-to-noise ratio: 75dB
Battery: 30mAh / 230mAh
Driver Size: 13mm
Charging port type: Type C, Charging Time: 2hrs
The numbers of re-charge: 2 x
