GEOID HS500 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, 800h Battery, IP67 Waterproof, Compatible with iOS/Android APPs

LED Light Reminding: HS500 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
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. GEOID HS500 provides low energy, stronger algorithms and longer communication distance
Versatility: HS500 Heart rate wake-up time less than 1 second; Weight with packaging: 56g; IP67 waterproof; a new generation of thinner and more energy-saving heart rate sensors can accurately track your movement, quickly and clearly reflect the body’s state during exercise, and avoid excessive exercise on the body cause some damages. Such as cycling, fitness, football, running, etc. Swimming is not recommended