Armband Heart Rate Monitor — Comfortable & Accurate
- Ditch the chest-strap drama and upgrade to the COOSPO HW9 Armband Heart Rate Monitor — a comfortable, accurate optical HR solution for every workout. The COOSPO HW9 Armband HR Monitor is 3rd-generation optical algorithm tracks 30–240 bpm with ±1 bpm accuracy, while dual Bluetooth 5.0 + ANT+ lets you connect to two Bluetooth devices at once (e.g., phone + watch) and ANT+ gear (bike computers, treadmills) simultaneously
- Dial in your training with COOSPO HW9 Armband HR Monitor HRV support, multi-color LED HR zone lights, and vibration alerts when you hit max HR. The nylon armband fits 20–39 cm on the forearm or bicep and weighs just 10.6 g — you’ll forget it’s there. With IP67 protection and up to 20 hours battery life, it’s built for serious sessions and daily use.
- The COOSPO HW9 Armand HR Monitor is Compatible with Strava, Zwift, Wahoo, Garmin, Peloton, DDP Yoga, Polar Beat and more via COOSPORIDE / HEARTOOL apps
- Chest-strap comfort upgrade: Soft nylon armband (forearm/bicep) = no chafing.
- Accurate optical tracking: 3rd-gen sensor with ±1 bpm accuracy (30–240 bpm).
- Pair more, do more: Dual Bluetooth 5.0 connections + ANT+ for watches, bike computers & apps
- Train anywhere: IP67 sweat/rain resistant; running, cycling, HIIT, rowing, gym, indoor trainer.
📊 Tech Specs
- Model: COOSPO HW9 Armband HR Monitor
- Sensor: 3rd-gen optical HR algorithm
- HR Range / Accuracy: 30–240 bpm, ±1 bpm
- Connectivity: Bluetooth 5.0 (x 2 simultaneous) + ANT+
- Apps/Devices: Strava, Zwift, Wahoo, Garmin, Peloton, DDP Yoga, Polar Beat, GPS watches, bike computers, smartphones
- Battery: Polymer; up to 20 h; 1.5 h magnetic charge (USB)
- Water/Sweat: IP67
- Strap: Adjustable nylon, 20–39 cm (forearm/bicep)
- Indicators: LED HR zone lights (multi-colour)
- Alerts: Vibration (max HR)
- HRV: Supported (via app)
- On-device memory: Stored in app
- OTA firmware: Via COOSPORIDE / Heartool app
- Weight: 10.6g
- Device Size: 4.06 × 3.30 × 1.02 cm
📦 What’s in the Box
- 1 × COOSPO HW9 Armband Heart Rate Monitor
- 1 × Elastic nylon armband Plus Extra (adjustable, black)
- 1 × Magnetic USB charging cable
- 1 × User manual
Yes — Bluetooth 5.0 (two devices at once) and ANT+ work with Garmin, Wahoo, Zwift, Strava, Peloton and more.
Yes — 2 simultaneous Bluetooth connections, plus ANT+ for compatible devices
100%. The nylon armband sits on your forearm/bicep (20–39 cm) for a secure, chafe-free fit.
Up to 20 hours per charge; 1.5 hours to full with the magnetic USB cable
IP67 rated — sweat and rain ready.
Yes — HRV in the app, LED HR zone lights, and vibration alert for max HR (configurable in COOSPORIDE / HEARTOOL