Suunto smart sensor
This smart sensor from suunto is designed to measure heart rate with great accuracy and comfort and records heart rate in swimming and other sports where use of smartphones or watches is not convenient with selected suunto devices and suunto movescount app it is the smallest bluetooth smart compatible heart rate sensor on the market and offers water resistance up to 30m 100ft and a user replaceable battery use the sensor with a free suunto movescount application to analyse and share your a