FX-H004 Headband Customize LOGO Brand Bluetooth noise cancelling headset

Bluetooth Standard: V5.3
Function: Bluetooth/plug-in mode
Headphone Form Factor: Over ear
Wireless Delay Time: Less than 30 ms
Noise Cancelling: ANC, ENC
ANC Noise Value: -6dB~4dB
Speaker Unit: Φ 40mm*2, 32 Ω
Item: ANC bluetooth headphone
Charging Time: 2.5h
Working Time (ANC only): 45h
Working Time (Bluetooth only): 55h
Working Time (Bluetooth and ANC): 35h