Legendary beyerdynamic sound with German-made STELLAR.45 drivers Spatial Audio thanks to Dolby Atmos with Dolby Head Tracking technology Multipoint Bluetooth 5.4, adaptive noise cancelling, transparency mode and automatic play/pause function when taking the headphones off or putting them back on Ergonomic earcups and premium materials for exceptional comfort Up to 50 hours battery life (ANC on) Avento 300 Over Ear Wireless Headphones