Edifier W820NB Wireless Headphones with ANC / Hi-Res (W820NBBL)

EDIFIER W820NB Wireless Bluetooth Headphones with active noise Cancelation 

Features:

- Hi-Res Audio standard
- Active noise cancellation technology
- Ambient sound mode
- Built-in microphone
- DNN (deep neural network) noise cancellation
- Large driver with titanium diaphragm
- Low latency for game mode
- Up to 49 hours continuous playback
- Lightweight headset assures comfortable fit

Specifications:

Manufacturer: Edfier
Model: W820NB
Bluetooth version: 5.0
Bluetooth profiles: A2DP, AVRCP, HFP
Audio Codecs: SBC
Frequency Response: 20Hz - 40KHz
Sound Pressure Level: 91 ± 3 dB(A)
Driver: 40 mm Dynamic Driver
Playback time: ANC On: 29 hours (ANC Off: 49 hours)
ANC: Yes (-38dB)
Bluetooth chipset: BES2300
Charging Time: About 1.5 hours
Charging Port: USB-C (Type-C)
Сharging_ USB-C 5V/1A
Net Weight: 220g