NC-300

chip solution:JL6955
Bluetooth version:bluetooth 5.1technology.
Speaker size: 40mm
Impedance: 32Ω+/-15%
Sensitivity: 100dB±3dB
Battery capacity: 3http://www.keresound.com/phpUser/index.php?m=product&a=index00mAh
Playback time: 7 hours(ANC off )
6 hours(ANC on )
ANC level 25dB
chip solution:JL6955
Bluetooth version:bluetooth 5.1technology.
Speaker size: 40mm
Impedance: 32Ω+/-15%
Sensitivity: 100dB±3dB
Battery capacity: 300mAh
Playback time: 10 hours(ANC off )
8 hours(ANC on )
ANC level 25dB
ANC Bluetooth Headphone
Easy Carry
25dB level noise cancellation
Auto Noise Cancellation
Bluetooth 5.0+EDR
Ear cap,
HIFI Voice,
Master design speaker 40mm,