Compatible ANT+ & Bluetooth

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

High Performance of Real-time Heart Rate Tracking

Applying an advanced ECG processing circuit, H303 directly extracts 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.

IP67 Dustproof and waterproof

LONG BATTERY LIFE, LASTS FOR 1000 HOURS

1 HOUR PER day
4 TIMES PRE WEEK
2.5 YEARS OF WORKING TIME
*The battery life data are based on a laboratory test. The actual situation may be slightly different due to the use environment and other factors.

LED Light Reminding

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