Product description
chip : JL6973D4
Bluetooth version :V5.3
trumpet Anti group :Φ10mm 32Ω±15%
Frequency Range :10Hz~15KHz
Horn sensitivity :110±3dB
rated power :3mW
Wireless propagation distance :Appr.≥10m
Headphone Music Time :~4.5-5.5H
Headphone talk time :~4H
Standby time :>200H
charging time :1H
battery capacity :30 mAh(Headphone)
300mAh(Charging) (plus protective plate)
Antenna type :Ceramic Antenna
Antenna gain :2.67bB
RF transmit power :6dB
RF Receive Sensitivity :-92dB
call microphone head :silicon microphone
5V input peak current of charging bin :300mA / 5V / Type-c
The charging case can charge the earphones:about 3 times
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