Polar H10 Bluetooth Smart Heart Rate Sensor AllegroMedical.com presents The Polar H10 Heart Rate Sensor Monitor, Medium - XXL. Polar H10 Heart Rate Sensor Monitor your heart rate with professional-grade precision, and choose the pros’ choice! The Polar H10 Bluetooth Smart Heart Rate Sensor works with all Polar watches and trackers, and allows you to keep track of your heart rate at all times. Made of a soft textile strap, this heart rate sensor is comfortable and functional during use. The improved electrodes ensure that your heart rate is measured correctly and without interference. Connectivity and Precision Use this heart rate sensor at the gym, on a run, while exercising at home, or during physical therapy. Compatible with top fitness apps, gym equipment, and many other Bluetooth devices, this monitor is perfect for personal and clinical use. The improved electrodes make the Polar H10 the most accurate heart rate sensor currently available. Water and Element Resistant The Polar H10 is water resistant up to 30 meters, and is suitable for swimming. With underwater capabilities this sensor is made especially for training, and is made of stainless steel and silicone dots. The strap is 38% Polyamide, 29% Polyurethane, 20% Elastane, and 13% Polyester, with Silicone prints. With a -10 °C to +50 °C / 14 °F to 122 °F operating temperature, this sensor is excellent for all elements.