• 【Expressing fine details with LDAC audio codec】The W830NB supports Hi-Res and features the high-resolution codec "LDAC" with a maximum transmission bandwidth of 990 kbps, which is about three times that of conventional codecs This allows for the transmission of high bit rate high-resolution audio sources, maintaining detailed sound source details, achieving natural high sound quality with almost no loss • 【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, the music resonates more clearly and deeply, inviting you to a music journey filled with immersive concentration on the music • 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 playback time • 【Stable connection and multipoint connection support】Equipped with Bluetooth 5.4 for stable connection, and also supports multipoint function to connect with two devices simultaneously 【Innovative Spatial Audio】The 3D sound field algorithm brings a cinematic surround ambiance, providing an immersive and enjoyable stereo listening experience • 【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 【FOLDABLE DESIGN FOR EASY PORTABILITY】Completely foldable design makes it easy to carry and suitable for travel