Professional Headphones WFH - Enhanced echo cancellation for extraordinary business collaboration and call center needsEntertainment Headphones ETH - Immersive music experience at home with ergonomic over-the-ear headphones ETP - High bass for amazing party entertainment 18 hours playback – uninterrupted classes Foldable design – easy to store & carry 2.5 hrs fast charging Voice assistance – easy operation Bluetooth – quick and stable connectivity Compatible with Windows, iOS and other operating systems Compatible with all online classroom and video conferencing apps