FX-H005 Adjustable Headband Professional anc wireless headphones black

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: 3h
Music Time : 20h
Standby Time: 30h
Call Time: 18h