Product description
W820NB Plus Wireless Noise Cancellation Over-Ear Headphones Immersive Sound with both Hi-Res Audio & Hi-Res Audio Wireless Certified: 40mm dynamic driver with Titanium coated composite diaphragm plus LDAC codec Battery Life: Up to 49 hours continuous playback when ANC off Active Noise Cancellation with Ambient Mode: Upgraded noise cancellation system for up to ANC depth. Isolates the unwantednoise and allows you to hear the environment sound Crystal Clear Call Quality: Take your calls. Hassle free by DNN noise cancellation technology Connecting to PC AS Wired Headphones: Besides Bluetooth connection, can be also connected as wired headphones via USB cable. Game Mode: Latency as low as 0.08s under game mode, enjoy seamless gaming experience. Super Soft & Comfort Ear Cushion: Less pressure, better sound for all-day wearing Edifier Connect APP: Personalize EQ controls, soothing sounds, and more Specification: Bluetooth: V5.2 Bluetooth Protocol: A2DP, AVRCP, HFP Playtime: ANC ON: about 33hrs (SBC codec) ANC OFF: about 49hrs (SBC codec) Charging Port: USB-C Charging Time: About 1.5h Input: 5V-1A Audio Coding: LDAC, SBC Driver: 40mm Dynamic Mircophones: 5pcs Frequency Response: 20Hz-40kHz Output Sound Pressure Level: 91dB3dBspL (A) Weight (N.W.): About 221g Dimension (LXWXH mm): 164.8191.382.3mm.