
Bluetooth CW6905 V5.0 Class 2+EDR
Working current 10-20mAh
Bluetooth Working range 10M
Output power 5W x 2
Frequency response 20Hz-20KHz
Working Time 6-10h
Charging Time 3.5h
Battery 3.7V/2500MAH (Polymer rechargeable battery)
ANC frequency 100-1000HZ
ANC level 15-20dB


