Polar H10 Heart Rate Monitor - ANT +, Bluetooth - Waterproof HR Sensor with Chest Strap - Built-in & T31 Coded Transmitter,Black,M

Product 1: High 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 ECG measurement and it's the choice of many pro athletes

Product 1: Connectivity: Bluetooth, ANT+ and 5 kHz provide an excellent variety of connection options (e.g. with Peloton). You can use Bluetooth and ANT+ connections simultaneously as well as two Bluetooth connections simultaneously

Product 1: Polar Pro Chest Strap: With improved electrodes, an easy-to-use buckle and silicone dots, the strap is comfortable and interference-free, and stays put when you're on the move

Product 1: Versatility: Wear Polar HR monitor when rowing, cycling, running, training indoors. Polar H10 is fully waterproof and it has internal memory for one training session

Product 2: Transmits heart rate data to Polar heart rate monitors using 5kHz transmission and compatible gym equipment, compatible heart rate monitors include, but are not limited to: FT1, FT2, FT4, FT7, FT40, FT60, FT80, RS100, RS300X, RS400, RCX5

Product 2: Compatible products: Elastic straps, individually coded to pick up your heart rate monitor and not others nearby, this eliminates cross-talk with other electronic devices in the same area

Product 2: Slim, lightweight, and waterproof design

Product 2: Fits 25 to 54 inch chest size