Cycling Running Boxing Armband with Optical Heart Rate Monitor
Ultra-lightweight breathable fabric ensures all-day comfort during cycling, running, or boxing. Precision optical sensor delivers real-time heart rate monitoring without chest straps. Reinforced stitching and adjustable strap provide a secure fit for high-intensity workouts. Sweat-resistant design maintains accuracy in humid conditions. Seamless Bluetooth connectivity syncs data to fitness apps for performance tracking. Slim profile holds phones up to 6.5 inches while staying aerodynamic. Ideal for athletes requiring hands-free heart rate tracking during marathons, HIIT sessions, or outdoor training. Medical-grade sensors ensure hospital-level precision. Built for endurance with military-grade elastic polymers that resist fraying. Non-slip inner lining prevents irritation during prolonged wear.