SUPERIOR SOUND QUALITY - The headset features 40mm large dynamic drivers with a titanium-coated composite diaphragm and an independent acoustic chamber layout, delivering rich sound quality that allows you to feel every note. HYBRID ACTIVE NOISE CANCELLATION - Upgraded hybrid digital noise-canceling technology reduces noise by up to 45 dB, enhancing your music listening experience by eliminating unwanted noise. DUAL DEVICE CONNECTION - Bluetooth V5.4 supports seamless audio streaming and a stable connection. It supports dual device connections, enabling instant switching between music, videos, and calls on two different devices simultaneously. ULTRA-LONG PLAYBACK - Enjoy up to 94 hours of playback with ANC off and an impressive 54 hours with ANC on. Additionally, you can get 10 hours of listening with just a quick 15-minute charge. LIGHTWEIGHT & ERGONOMIC DESIGN - The headphones are lightweight and ergonomic, weighing around 0.6 lbs. It also features soft, comfortable earpads and an adjustable headband for extended listening sessions. Elevate your listening experience with the Edifier W830NB Active Noise Cancelling Wireless Over-Ear Headphones. Featuring 40mm large dynamic drivers and supporting Bluetooth V5.4, these headphones deliver crisp, clear sound with rich bass. With LDAC high-definition decoding for Hi-Res Wireless audio, every note is reproduced with stunning accuracy. The upgraded hybrid digital noise-canceling technology reduces noise by up to 45 dB, allowing you to immerse yourself in your music without distractions. Enjoy 94 hours of playtime and fast charging capabilities, making these foldable, lightweight headphones perfect for on-the-go use.