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 water proof design can handle the dustiest mountain trail and the sweatiest gym session, while a bendable TwistLock ear hook enhancer ensures a secure, comfortable fit that stays in no matter how you move your body. And 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. JBLENDURPEAK3BLKAM