Model Number : GK39
Bluetooth version: 5.3
Chipset: Blueturm 8922e2
ANC effective: - 30 dB
Work Distance：≤10m
Ear bud size: 31.6*22*26mm
Ear bud weight: 3.6g
Charging case: 59*26*46mm
Charging cae with ear buds weight: 39g
Battery capacity: 40mAh
Charging Case: 300mAh
Music play time: around 5hrs+12.5hr
