Hi-Res Audio standard for a rich listening experience Active noise cancellation technology isolates unwanted noise Ambient sound mode allows you to hear environmental sounds such as traffic or flight announcements DNN noise cancellation technology ensures clear phone calls Large driver with titanium diaphragm delivers crystal-clear sound Low latency for game mode gives players an immersive gaming experience Up to 49 hours continuous playback Lightweight headset assures comfortable fit *Please connect W820NB with the audio output device by Type-C cable to enjoy Hi-Res audio
Bluetooth version V5.0
Audio codecs AAC, SBC
Driver unit 40mm dynamic driver
Playback time ANC on: about 29 hours; ANC off: about 49 hours
Charging time About 1.5 hours
Battery capacity 400mAh
Frequency response 20Hz-40kHz
Sound pressure level 91±3dB SPL
Impedance 32Ω
Charging port USB Type-C
