Bluetooth Version： V5.0+BR+EDR TWS
Sound channel： Stereo
S/N Ration：≥70db
Distortion rate：≤0.55%
Frequency：20Hz-18.5KHz
Charging Slot：USB TYPE-C
Music time：5 hours
Talking time：4 hours
Charging time of charging box：4 times
Battery: 420mAh
Transmission Distance：10M
Speaker impedance：13MM 32Ω
Composite membrane horn (Bass sound）
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