Get precise heart-rate data and smarter training with the COOSPO HW9 Heart Rate Armband.
- Optical heart-rate technology delivers accurate heart rate and calorie burn data with a ±1 BPM monitoring error, helping you gauge effort and track progress in real time.
- Five-color LED Heart Rate Zone indicator lets you see your zone at a glance, while HRV tracking provides deeper recovery insights for smarter training decisions.
- Comfortable, breathable, adjustable band for freedom of movement across runs, rides, and workouts; connects via Bluetooth 5.0 and ANT+, with two simultaneous Bluetooth connections.
- Rechargeable battery lasts up to 35 hours with fast-charge; customize your true max HR in the Heartool/Coosporide app with a vibration warning when you exceed it, and pair with 200+ apps like Wahoo Fitness, Strava, Polar Beat, Zwift.
