Description
Wrist-Free. Optical Precision. Dual Mode Performance.
The Magene H803 is the premium optical heart rate monitor designed for athletes who want the accuracy of a dedicated heart rate sensor without the restriction of a chest strap. Worn on the upper arm or wrist, the H803 uses optical sensing technology to deliver continuous, real-time heart rate data during running, cycling, gym training, and everyday health monitoring. Dual-mode ANT+ and Bluetooth connectivity ensures seamless pairing with cycling computers, GPS watches, smart trainers, and fitness apps — all simultaneously, without switching modes.
Optical Armband Sensor. ANT+ & Bluetooth. No Chest Strap Required.
The H803 brings together the comfort of an armband form factor with the connectivity of a dedicated sports sensor. The optical heart rate technology reads your pulse directly from your arm, providing accurate data even during high-intensity efforts where wrist-based smartwatch sensors can struggle. The dual-mode transmission broadcasts over both ANT+ and Bluetooth simultaneously, connecting to your cycling computer, phone, and training apps at the same time. At 200g, the H803 is a substantial, premium device built for serious athletes who demand reliable heart rate data across all their training platforms.
Key Features
- Optical Arm/Wrist Sensor — no chest strap required, comfortable for all-day wear
- Dual Mode ANT+ & Bluetooth — connects simultaneously to multiple devices
- Continuous Heart Rate Tracking — real-time data for training, racing, and health monitoring
- Wide Compatibility — works with cycling computers, GPS watches, Zwift, and fitness apps
- Premium Build — 200g, engineered for serious athletes
- Model: Magene H803 — advanced optical heart rate technology
Perfect For
Runners, cyclists, triathletes, and fitness enthusiasts who want optical arm-based heart rate accuracy with dual ANT+ and Bluetooth connectivity — without the discomfort of a chest strap.
Specifications
Model: Magene H803 | Connectivity: Dual Mode ANT+ & Bluetooth | Style: Optical Arm/Wrist Band Sensor | Weight: 200g | Use: Running, Cycling, Health Tracking























