Polar H10 Heart Rate Monitor Chest Strap - ANT + Bluetooth, Waterproof HR Sensor for Men and Women, Red, M-XXL

WORKS WITH EVERYTHING: Polar HRM works with many smart watches, Polar Beat, apps such as Strava and Nike, and ALL HRM compatible Equipment.. SUPREME ACCURACY: Widely recognized for its top precision by many sources, Polar H10 is the most accurate heart rate sensor in Polar's history. Polar H10 provides top quality measurement.. CONNECTIVITY: Bluetooth, ANT plus and 5 kHz provide an excellent variety of connection options. You can use Bluetooth and ANT plus connections simultaneously as well as two Bluetooth connections simultaneously.. POLAR PRO CHEST STRAP: With improved electrodes, an easy-to-use buckle and silicone dots, the strap is comfortable and interference-free.. VERSATILITY: Polar H10 is fully waterproof and it has internal memory for multiple hours.. BATTERY: A CR2025 button cell battery must be used in the Polar H10 (included). Other battery sizes may cause damage to, and malfunction of, the sensor.