Bluetooth waterproof sports earphones with LED display; Reinforced design for sweat and water resistance during tough workouts. Volume and tracking controls on each earbud, voice capability and play/pause. Powerful, balanced sound with dynamic range and noise isolation. Up to 9 hours of playtime (over 24 hours with charging case). Compatible with your phone's voice assistant like say Siri. Automatic connection when the case is opened and the earphones are put in place and vice versa when you put them in the box, the disconnection takes place automatically, range of 10m. During your calls, outside noise is reduced, you can control your music, your calls using the buttons on the headphones such as play, pause, answer calls (click once), increase the volume or go to the next song ( by varying the pressure of the earphone button), decrease the volume or go to the previous song (by varying the pressure of the earphone button), Three clicks to use the voice command. 950mAh capacity with long autonomy, the display LED lets you know the charging status in real time.