Accurate Optical Heart Rate & Calorie Tracking (±1BPM)

The COOSPO HW9 Armband Heart Rate Monitor uses advanced optical heart rate technology to deliver high-precision tracking with an error margin of just ±1 BPM. Whether you're training for endurance, fat burn, or peak performance, this device ensures reliable data for both heart rate and calorie burn.

Heart Rate Zone Detection & HRV Analysis

Train smarter with the HW9’s built-in 5-color LED heart rate zone indicator, letting you know your intensity level in real-time at a single glance. Plus, it supports Heart Rate Variability (HRV), ideal for recovery tracking and stress monitoring.

Superior Comfort & Flexible Wearability

Ditch the chest strap! The HW9 armband offers an ultra-comfortable alternative with its breathable, soft, and adjustable band. Designed for maximum freedom of movement, it’s perfect for running, cycling, HIIT, or yoga—whatever your workout style.

🔗 Strong Connectivity – Bluetooth 5.0 + ANT+

Enjoy seamless pairing with your favorite devices. The HW9 supports Bluetooth 5.0 and ANT+, allowing you to connect with:

GPS bike computers

Running watches

Fitness apps

Gym equipment

You can even maintain two Bluetooth connections at once for enhanced tracking flexibility.

Custom Max Heart Rate with App Integration

Using the CooSpoRide or Heartool App, you can set your custom max heart rate value instead of relying on the default 200bpm. This ensures you train within your true optimal heart rate zone, improving performance and safety.

Max Heart Rate Vibration Alert

Safety first! If your heart rate exceeds the default or your customized max HR, the armband triggers a gentle vibration to alert you. Perfect for avoiding overtraining or staying within safe exertion limits.

Long Battery Life & Fast Charging

Get up to 35 hours of continuous use on a single charge. The magnetic charging cable enables fast recharging. For best results and battery longevity, charge using a DC 5V adapter or USB port on your computer.

Works with 200+ Apps

The HW9 is compatible with most major fitness platforms, including:

Strava

Wahoo Fitness

Polar Beat

DDP Yoga

Elite HRV

HR Monitor 

📖 Quick Start Instructions

Power On: Short press the button

Power Off: Long press the button