Train Smarter, Not Harder – Real-Time Heart Rate & Zone Tracking at a Glance.

📐 Specifications:

• Sensor Type: Optical Heart Rate Sensor

• Accuracy: ±1 BPM

• Heart Rate Zones: 5-color LED indicator for zone training

• Connectivity: Bluetooth 5.0 & ANT+ (supports dual Bluetooth connections)

• HRV Support: Yes

• Battery Life: Up to 35 hours

• Charging Method: Magnetic charger (DC 5V or USB)

• Band: Soft, breathable, adjustable armband

• Compatibility: 200+ fitness apps (Wahoo, Strava, Zwift, etc.)

• Max HR Alert: Vibration warning when exceeding max HR (customizable)

✨ Features:

• High-Accuracy Optical Sensor: Delivers ±1BPM precision for heart rate and calorie tracking.

• HR Zones & HRV Monitoring: LED indicator lights show real-time heart rate zones and support HRV insights.

• Comfortable Fit: Soft, adjustable band ensures all-day comfort and full mobility during any activity.

• Smart Connectivity: BLE 5.0 and ANT+ provide reliable connection to watches, bike computers, and over 200 apps.

• Safety Alert System: Vibration alarm triggers when your heart rate exceeds preset max level.

• Long Battery Life: Up to 35 hours on a single charge with fast and easy magnetic charging.

📝 Product Description:

Elevate your training with the HW9 Armband Heart Rate Monitor — a cutting-edge HRM sensor that pairs elite accuracy with unmatched comfort. Featuring optical heart rate technology, it delivers real-time metrics with ±1 BPM precision, while also tracking calories burned and supporting heart rate variability (HRV) analysis. Whether you’re cycling, running, or doing yoga, the five-zone LED display helps you train smarter by showing exactly which heart rate zone you're in.

Built for modern athletes, the HW9 connects via Bluetooth 5.0 and ANT+ to a wide range of devices and fitness apps including Peloton, Zwift, Wahoo, and Strava. The breathable armband design offers a comfortable and reliable alternative to chest straps, while customizable max HR settings and vibration alerts keep your workouts both effective and safe. With up to 35 hours of battery life, the HW9 is your go-to tool for continuous, intelligent performance tracking.