25/12/2025
The Magene H303 Heart Rate Monitor is a high-performance chest strap sensor designed for athletes and fitness enthusiasts who want precise insight into their cardiovascular effort. Built with advanced ECG processing technology and intelligent algorithms, this heart rate monitor delivers highly accurate pulse data in real time, filtering out noise from movement and sweat for reliable performance during every workout.
Featuring dual wireless connectivity (Bluetooth 4.2 and ANT+), the H303 pairs seamlessly with a wide range of devices — including smartphones, cycling computers, fitness watches, and popular training apps like Zwift, Strava, Wahoo Fitness, TrainerRoad, and more — so you can track, analyze, and improve your training performance with confidence.
The comfortable and adjustable chest strap stays securely in place through runs, rides, gym sessions, and interval training. A built-in LED indicator confirms connection status at a glance, while the long-lasting CR2032 battery provides up to 1000 hours of use before replacement. Designed to withstand sweat and outdoor conditions, the H303 also boasts IP67 water and dust resistance for durability you can count on.
Whether you’re optimizing pacing, tracking recovery, or pushing your fitness boundaries, the Magene H303 delivers dependable heart rate data to help you train smarter and achieve better results.
