What it is - Soundcore Over-Ear Headphones What it does - Turn Down the CrowdThe soundcore Space One noise cancelling headphones offer upgraded noise reduction blocking out mid to high-frequency sounds with 2X more voice reduction than the previous version. They support Ldac for Hi-Res Wireless audio delivering 3X more detail than standard Bluetooth codecs. With 40 hours of playtime (Anc on) and 55 hours (Anc off) these headphones are perfect for busy travelers. Crafted for comfort and style they feature 8 rotating ear cups and a soft integrated headband along with 5 levels of transparency for adjusting ambient sound.Features40mm Customized Dynamic Drivers8 Floating-Axis DesignUp to 55 Hours of PlaytimeHight-Res Ldac BluetoothStronger Voice Reduction2X Stronger Voice