Magene Heart Rate Monitor

Newly designed hardware and algorithms help you accurately monitor your heart rate while exercising, maximising your results.

The Magene H603 is engineered with an advanced ECG-processing circuit that extracts heart‑rate data directly from the electrical signals of your heartbeat. Combined with Magene's self-developed algorithm, it effectively reduces interference caused by movement, sweat, and environmental noise, ensuring consistently accurate readings throughout your workout.

The split-strap design improves comfort and stability, while the soft, adjustable band fits securely without irritation. With dual-protocol support for ANT+ and Bluetooth, the H603 pairs effortlessly with smartphones, sports watches, bike computers, and leading fitness apps. Its IP67 waterproof rating and exceptional 1,000-hour battery life make it a durable, long-lasting training companion for all conditions.

Real-time heart rate tracking

Applying advanced ECG processing circuit, H603 directly extract heart rate data from ECG waveform, with the self-research algorithm, eliminates noise interference caused by movement and sweating, output the most accurate heart rate data.

ANT+ and Bluetooth compatibility

2 data copies for 1 workout, recording via ANT+ device and Bluetooth App at the same time, with stable transmission. ANT+: Magene, Wahoo, IGPSPORT, Bryton, Black Bird. Bluetooth: Zwift, Onelap, Strava, Kinomap, Wahoo Fitness, TrainerRoad, Rouvy, Fulgaz, Nike Run Clus, Openrider, Elite HRV, Selfloops HRV

Split Chest strap design

Different from the traditional chest strap design, H603 adopts split chest strap design to bring you a better product experience.

Technical Specifications

• Dimensions: 62.5x35x11.5mm
• Chest strap length: 4 to 86cm
• Waterproof grade: IP67
• HR Range: 30 to 240 BPM
• Wireless protocol: Bluetooth 4.2, ANT+
• Weight: 46g monitor and strap

• Advanced ECG-based tracking: Extracts heart-rate data directly from ECG signals for superior accuracy
• Noise‑reduction algorithm: Minimises interference from movement and sweat for stable, real‑time readings
• Split chest‑strap design: Offers improved comfort, flexibility, and a more secure fit
• Dual‑protocol connectivity: Compatible with ANT+ and Bluetooth devices for wide‑ranging integration
• IP67 waterproof rating: Suitable for intense training sessions, rain, and sweat‑heavy workouts
• Exceptional battery life: Up to 1,000 hours of use from a single CR2032 battery
• Broad app compatibility: Works with Zwift, Wahoo, Strava, Garmin, Peloton, and many more

All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 and eBikes will incur a £25 delivery fee.

Free Delivery On Orders Over £199.99 - When you spend more than £199.99 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.

Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.

At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.

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