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 fins and tips for a snug, comfortable fit, plus IP55 sweat and splash resistance - Ideal for every ear shape and workout intensity Extended battery life: Never miss a beat with 24 hr total playtime (6 hrs earbuds + 18.5 hrs case) - Quick charge ensures 45 mins of playtime with just 10 mins of charging Effortless control: Smart UI with tap controls for effortless, precise earbud management during intense workouts so you can focus on achieving your fitness goals Step into a world where every beat and rhythm not only moves you, but propels you forward with the Sennheiser MOMENTUM Sport True Wireless Earbuds, equipped with Bluetooth for seamless connectivity. Designed for athletes who demand more than just music, these portable fitness accessories combine premium audio quality with HR and BT tracking. In-ear sensors offer superior cardiac tracking, providing essential insights for running efficiency and active lifestyles. Adaptive ANC provides superior noise cancellation during every exercise. Experience the thrill of boosted bass and clear, stereo sound whether you're sprinting outdoors, doing squats or hitting your stride at the gym. Customizable ear fins and tips made from silicone ensure a secure, comfortable fit, enhanced by IP55 sweat and water resistance. Integrated with leading fitness apps and devices, these rechargeable ear buds are your personal fitness tracker and coach. With up to 24 hours of playtime and fast charging, they're always ready to go. Effortless control with intuitive taps keeps your training seamless, ensuring you stay connected and focused. Sennheiser's MOMENTUM Sport Earbuds deliver an immersive experience of sound, endurance and precise performance tracking, making them the ultimate durable, resistant and dynamic audio companion for any workout.