The totally wireless Powerbeats Pro earphones are built to revolutionize your workouts. With no wires to hold you back, Wireless Bluetooth Sports Earphones are completely wireless, so you've got the freedom to move. These adjustable, secure-fit ear hooks are customizable for extended comfort and stability. A reinforced design for sweat and water resistance lets you max out your exercise. Each earbud has full volume and track controls and up to 9 hours of listening time to fuel your training with the powerful, balanced sound of Beats. Premium Bluetooth technology means a better range and fewer dropouts.