Polar H10 Heart Rate Monitor, Bluetooth Hrm Chest Strap - Iphone & Android Compatible, Black, Size Xs - S

BUILT-IN MEMORY: Heart rate monitor stores 1 heart rate training session. Perfect for sports and activities where a wrist unit would be difficult to use.. GoPro COMPATIBLE: Pair your H10 heart rate sensor directly to the GoPro Hero 5 compatibility camera and overlay your heart rate data onto the recorded video.. UPDATEABLE FIRMWARE: Heart rate monitor contains firmware updates that enhance the functionality.. ENHANCED BATTERY LIFE: Polar watch stores 400 hours of operation time on a user replaceable. COMFORTABLE FIT: Revised heart rate chest strap design provides the comfort and security needed when exercising.. Compatibility : iOS mobile devices: iPhone 5 and later, with iOS 11 or later; Android mobile devices with Bluetooth 4.0 capability and Android 5.0 or later. Building upon the legacy of Polar heart rate technology, the H10 is set to be the standard upon which consistent, accurate heart rate recording is based. Utilizing advanced materials and optimized construction, the H10 combines the latest in Bluetooth sma