Armband Heart Rate Monitor Black

Train smarter with accurate ±1BPM heart rate tracking, HR zones, and seamless connectivity. Specifications Functions: Heart Rate Zone Monitoring (5-color LED indicator) Calorie Tracking Heart Rate Variability (HRV) Support Max Heart Rate Customization via Coosporide/Heartool App Vibration Alert for exceeding max HR Features ±1 BPM Accuracy: Optical HR sensor delivers highly precise heart rate and calorie burn data. Product Description The Armband Heart Rate Monitor is built for athletes and fitness enthusiasts who want accuracy, comfort, and smarter training. Using advanced optical heart rate technology, it delivers heart rate and calorie tracking with a precision of ±1 BPM, ensuring reliable performance in cycling, running, gym training, or yoga. The 5-color LED zone indicator makes it easy to check your intensity level at a glance, while the HRV function and customizable max HR help optimize training for endurance, recovery, and performance. Engineered for comfort, the breathable and adjustable armband offers a secure yet flexible fit, making it a great alternative to chest straps. With Bluetooth 5.0 and ANT+, it connects to bike computers, smartwatches, and over 200 fitness apps including Zwift, Peloton, Wahoo Fitness, and Strava. Stay safe with the vibration warning when you exceed your set max HR, and train longer with up to 35 hours of battery life. The HW9 is the ultimate fitness companion for precise, connected, and performance-driven training.