Product description
chip :AD6973D4
Bluetooth version :V5.3
trumpet Anti group :Φ13mm 32Ω±15(复合膜喇叭)
Frequency Range :20Hz~20KHz
Horn sensitivity :110 . 41/-2 dB
rated power :3mW
Wireless propagation distance :Appr.≥10m
Environmental Noise Cancellation:ENC
Headphone Music Time :~4-5H
Headphone talk time :~4H
Standby time :>150H
charging time :1H
battery capacity :30 mAh(Headphone)
240mAh(Charging) (plus protective plate)
Antenna type :Ceramic Antenna
Antenna gain :1.72 dBi
RF transmit power :≦10dB
RF Receive Sensitivity :-92dB
call microphone head :silicon microphone
5V input peak current of charging bin :340mA / 5V / Type-c
The charging case can charge the earphones:about 3 times
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