BJBJ A40 Pro Bluetooth ANC & ENC Earbuds

Up to 40 dB noise reduction
Earbuds battery: 33mAh
Seat charger battery: 300mAh
LED light power display
ipx4 waterproof
Listening time: 6-7H * 3Times
Talking time: 5 hours
Charging time: 1 hour
Speaker sensitivity: 98dB
Signal distance: 15m
Charging time: 1.5 hours
Charging times: 3 times