70-hour Battery Life: Take advantage of lengthy conference calls and marathon playlists without worrying about constantly charging; a 5-minute charge provides an extra 4-hour of audio bliss. These on-ear headphones have a 70-hour playback time, so you'll be well-rested during lengthy travels. Oversized 40mm Drivers: With these on-ear headphones, you can immerse yourself in a bass-heavy soundscape that makes every song come to life and guarantees that no beat or note is ever missed. Bluetooth 5.3 Technology: The sophisticated Bluetooth 5.3 in these headphones allows you to switch between devices with ease and maintain a steady connection that keeps audio in perfect sync on all compatible devices. Exceptionally light design: You can spend hours immersed in music or work thanks to the pressure-free comfort of these on-ear headphones, which weigh only 183g. Customization for SoundCore Apps: