FX-H037 Custom Branded Bluetooth Headset Active Noise Cancellation headphones customizable

Bluetooth Standard: V5.3
Function: Bluetooth/plug-in mode
Headphone Form Factor: Over ear
Wireless Delay Time: Less than 30 ms
Noise Cancelling: ANC
ANC Noise Value: -20±3dB
Speaker Unit: Φ 40mm*2, 32 Ω
Item: ANC bluetooth headphone
Charging Time: 2.5h
Working Time (ANC only): 60h
Working Time (Bluetooth only): 50h
Working Time (Bluetooth and ANC): 40h