Professional Armband HR Monitor, HW9 Optical Heart Rate Tracker with HR Zones, Calorie Tracking & 200+ App Compatibility

Take Your Training to the Next Level with Medical-Grade Heart Rate Tracking! 

The COOSPO HW9 Armband Heart Rate Monitor delivers clinical-level accuracy (±1BPM) without restrictive chest straps. Whether you're cycling, running, or doing HIIT workouts, this optical HRM sensor provides real-time data to optimize every session.

Key Features:

 Unmatched Accuracy - Advanced optical sensors achieve ±1BPM medical-grade precision
 5-Zone HR Training - Color-coded LED shows your exact intensity zone
 Dual Connectivity - Simultaneous Bluetooth 5.0 + ANT+ for all devices
 35-Hour Battery - Lasts 10+ workouts on one charge
 Peloton/Zwift Ready - Works seamlessly with 200+ fitness apps
 Safety Alerts - Customizable max HR vibration warnings

Why Athletes Choose HW9:

• More Comfortable than chest straps - no chafing during long workouts
• More Accurate than wrist-based trackers - avoids cadence lock
• More Versatile - Perfect for cycling, rowing, yoga, and gym sessions
• More Insightful - Tracks HRV (Heart Rate Variability) for recovery analysis

App Compatibility Includes:

Peloton | Zwift | Wahoo | Strava | Polar Beat | Garmin | Suunto | DDP Yoga | Elite HRV | and 190+ more

Technical Specs:

• Sensor Type: Optical HR (LED PPG)
• Connectivity: Bluetooth 5.0 + ANT+
• Battery: 35 hours (2hr charge)
• Water Resistance: IP67 (sweat/rain proof)
• Weight: 45g (ultra-light)