M9: ANC+dual ENC( Electroplating+oil spray+big battery)
Bluetooth name :M9
Chip solution : JL7006F8
Support Bluetooth communicationsuch as AVRCP/HFP/HSP/A2DP
Bluetooth version :V5.3
Bluetooth distance :10M
Length of music playing :5.5h
Working current : About 7mA
Sensitivity :110±3dB(1KHz)
Impedance : 32 ± 15%Ω
Headset battery capacity :40mAh
Charging bin battery capacity :700mAh
ANC:-27±3db
ENC:-35±3db