Sennheiser Momentum Sport in Ear Earbuds REFURBISHED Up to 40 Hours of

Up to 40 Hours of Total Battery Life

and the DTS:X logo are registered trademarks or trademarks of DTS

stick-closed design is so comfortable that you might forget you're wearing them

1x ONE RS Battery Base

Sennheiser Momentum Sport in Ear Earbuds REFURBISHED Up to 40 Hours ofFeatures Hear more than music: Unleash your workout's full potential with Sennheiser's sport sound profile, adaptive ANC, transparency mode and robust bass for immersive sound and focused training Fitness tracking powered by Polar: In ear sensors for real time heart rate and body temperature tracking, syncing seamlessly with apps and devices for insightful health and performance metrics Custom fit for every athlete: Secure fit with interchangeable ear