BJBJ A2 Pro ANC/ENC True Wireless Earphones

Bluetooth version:V5.3
Stand-by time:140 days
Talk time:4 hours
Music playtime:5-6 hours
Charging time:1.5 hours
Charging voltage:DC 5V
Frequency range:20-20000Hz
Transmission distance:10m-15m
Battery capacity:33mAh
Charging case:300mAh

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