With up to 50-hour battery life and quick charging, you’ll have enough power for multi-day road trips and long festival weekends. Great sound quality customizable to your music preference with EQ Custom on the Sony | Headphones Connect App. Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE. Designed to be lightweight and comfortable for all-day use. Crystal clear hands-free calling with built-in mic. Multipoint connection allows you to quickly switch between two devices at once. Find your headphones easily with Fast Pair. Connect to your PC easily with Swift Pair. Siri/Google Assistant compatible. Partially made with recycled plastic and uses plastic-free packaging.