The heart rate monitor chest strap combines advanced functionality with premium comfort, featuring a built-in digital display for real-time heart rate and HRV monitoring. With dual BLE 5.0 and ANT+ connectivity, it seamlessly syncs with popular fitness apps and devices like Polar, Strava, and Peloton. The rechargeable lithium battery provides long-lasting performance, while the IP67 waterproof rating ensures durability during intense workouts. Designed for all-day comfort, the adjustable breathable chest strap stays securely in place without irritation, making it ideal for runners, cyclists, and fitness enthusiasts seeking accurate biometric tracking.