• 【Expressing fine details with LDAC audio codec】The W830NB Wireless Headphones support Hi-Res and adopt the high-resolution codec "LDAC" with a maximum transmission bandwidth of 990kbps, which is three times that of conventional codecs This allows for the transmission of high bit-rate high-resolution audio sources, maintaining detailed sound source details and achieving natural high sound quality with almost no loss • 【Noise Canceling Headphones】- Enjoy quiet music time in various scenes such as commuting, office, home, and travel with 43dB Hybrid Active Noise Canceling 【Noise Cancelling Up to -45dB Creates a Quiet Music Space】Upgraded hybrid digital noise cancellation (ANC) technology provides noise cancellation up to -45dB In the silence, music resonates more clearly and deeply, inviting you to a music journey filled with immersive concentration on the music • 【Ambient Sound Pickup】Supports 7 levels of ambient sound volume, allowing you to hear external sounds more clearly when needed Incredible up to 94 hours of continuous playback: The built-in high capacity battery and low power consumption chipset allows for up to 94 hours of continuous music playback when ANC function is off Enjoy your favorite playlists anytime, anywhere without worrying about the playback time • 【Stable connection and multipoint connection support】The Edifier W830NB is equipped with Bluetooth 5.4 for stable connection, and also supports multipoint function that allows simultaneous connection with two devices 【Revolutionary Spatial Audio】The 3D sound field algorithm brings a cinematic surround ambiance, providing an immersive and enjoyable stereo listening experience 【Foldable and Easy to Carry】Fully collapsible design, easy to carry and suitable for travel • 【1-year warranty and instruction manual included】The Edifier W830NB comes with a 1-year warranty If any issues occur within one year of purchase, excluding man-made damage, please feel free to contact us 【Dedicated App "Edifier ConneX"】Choose from 3 preset EQs to match your music style or customize your own equalization with customizable EQ mode for a personalized listening experience