Multi-day battery life is available whether you have active noise cancellation turned on or off. With it off, you get up to 49 hours of playback. With it on, you can get up to 29 hours of playback.

While you're wearing the W820NB headphones with audio playing, turn on Ambient Sound mode to let outside sound back in. This lets you hear announcements or have a quick conversation without stopping the music or taking off the headphones.

Turn on game mode to lower audio latency to 80ms, delivering wireless game audio that's more in sync with the action.

Use the Edifier Connect app to personalize your settings on your mobile device, change modes, check battery life, read the manual, and more.