Utilizing advanced ECG processing circuits, the H603 directly extracts heart rate data from your ECG waveform using its self-researched algorithm. By eliminating noise interference caused by movement and sweating, it provides only the most accurate heart rate data.

Split Chest Strap Design
Unlike traditional chest strap designs, the H603 adopts a split chest strap design to enhance your product experience.

Long Battery Life
The battery lasts up to 1000 hours per charge. That's equivalent to 1 hour per day, 4 times a week, for 2.5 years! *The battery life data is based on laboratory testing.

Compatible with ANT & Bluetooth
Record your workout data via both ANT ™ device and Bluetooth App simultaneously, ensuring stable transmission with 2 data copies.

ANT ™ Compatibility: Magene, Wahoo, Garmin, iGPSPORT, Bryton

Bluetooth Compatibility: Zwift, Onelap, Strava, Kinomap, Wahoo Fitness, TrainerRoad, Rouvy, Fulgaz, Nike Run Club, Openrider, Elite HRV, Selfloops HRV

*Note: The red light indicates that the monitor is ready to use.