Magene H303 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs

New Design: Newly designed hardware and algorithms avoiding the noise interference caused by movement and sweating，help you accurately monitor your heart rate while exercising, maximizing your exercise results.
LED Light Reminding: H303 has a flashing LED light that confirms your heart rate and connection, allowing you to easily stay focused and improve efficiency during any activity or exercise. After the sensor is properly worn, it will automatically turn on, the front LED flashes (turns off after 10 times). * Note: The red light indicates that the monitor is ready to use.
Compatibility: 2 data copies for 1 workout, recording via ANT+ device and Bluetooth App at the same time, with the stable transmission. Compatible via ANT+: Magene, Wahoo, IGPSPORT, Bryton, Black Bird. Compatible via Bluetooth: Zwift, Onelap, Strava, Kinomap, Wahoo Fitness, TrainerRoad, Rouvy, Fulgaz, Nike Run Club, Openrider, Elite HRV,etc..