The Endurance Peak 3 is the perfect training partner pumping your motivational playlists to you with up to 50 hours of playback and rich JBL Pure Bass Sound you can feel in your muscles. The durable IP68 dust and waterproof design can handle the dustiest mountain trail and the sweatiest gym session while the bendable Powerhook™ together with the TwistLock™ ear hook enhancer ensures a secure comfortable fit. With the ability to make crystal clear calls from anywhere and stay aware of your surroundings you'll stay connected to the world no matter where your workout takes you.