K12B TWS Wireless Earbuds

Bluetooth Version: V5.0
Bluetooth Range: 10M
Earphones Battery: 35mAh
Charging Case Battery: 5200mAh
Speaker Driver: 10mm
Speaker Impedance: 16 Ω
Frequency: 20-20KHz
Microphone Sensitivity: 42 ± 2dB
Music Time: 3-4H
Standby Time: 2000H
Charging Time: 1-1.5h

K12B TWS Wireless Earbuds 

color

black, white

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