Meet the Polar H10: a new heart rate sensor and fitness tracker that provides you with accurate measurements as you exercise to help you stay in the right zone and maximize your workouts. It has built-in memory for one training session and 400 hours of battery life.
This tracker works with Polar Bluetooth watches and trackers. It combines with your GoPro HERO4 or HERO5 for heart rate data overlay. iOS and Android devices will be supported. Did we mention that the H10 is fully waterproof?