Amplify your performance with the JBL by Harman Endurance Race 2 In-Ear Waterproof Sport Earbuds! With up to 48 hours of battery life and an IP68 waterproof and dustproof design, these wireless active earbuds keep going strong, even in the most challenging of workout conditions. Their superior fit offers optimum sealing, better stability in your ears, and all-day comfort. Powerful 6.8mm dynamic drivers deliver JBL Pure Bass sound. Active Noise Cancelling keeps you focused on your music or podcast, while Smart Ambient technology keeps you aware of your surroundings. Adjust the Sports Mode settings to the intensity of your workout, choosing 1 of the 6 default settings in the JBL Headphones app or customize your own. And with the ability to make crystal clear calls from anywhere, you'll stay connected to the world no matter where your workout takes you. Up to 48 hours of battery life IP68 waterproof and dustproof rating Superior fit with optimal sealing, better stability in your ears, and all-day comfort 6.8mm dynamic drivers Active Noise Cancelling technology Smart Ambient technology keeps you aware of your surroundings 6 Sports Mode settings Connect to your phone for hands-free calls