Push your workout to the next level with Bose® SoundSport® Pulse wireless headphones. Designed with a built-in heart rate sensor, they make it easy to track your performance without missing a beat of your music. The StayHear®+ Pulse tips are designed to stay secure—even during intense workouts. And they’re sweat and weather resistant with a battery life of up to 5 hours per charge. Earbud Features Battery life: up to 5 hours Microphone: Yes Controls: In-line NFC: Yes