Concerning this item BLUETOOTH CONNECTION: Multipoint technology allows you to connect to and switch between two devices at once with ease, and Bluetooth 5.2 connects you to compatible devices within 30 feet in a matter of seconds. ALL-DAY BATTERY & QUALITY CALLS: Your headphones can last all day on a single charge thanks to their 45-hour battery life. Additionally, a boom mic with environmental noise cancellation (ENC) and a flip-to-mute feature makes calls and gaming clearer! SIGNATURE SOUND: Made with 40mm drivers, they produce enthralling sound that transforms every listening session into a private concert. Three equalizer presets are included, which improve common sounds from podcasts, music, and other sources. FUNCTIONAL WITH FAST CHARGING: Easy-to-use controls on the side allow you to pause and play music, adjust volume, and turn the device on and off.