![Comfort is the key when training. The slim H1 heart rate sensor not only measures your heart rate but also seamlessly adapts to your body shape so you can forget you are wearing it and focus on your exercise. Features: Provides continuous, accurate heart rate measurement using 5kHz coded transmission; Soft fabric material feels like clothing on the skin; Compatible with most Polar products* and gym equipment in fitness clubs. [*FT1, FT2, FT4, FT7, FT40, FT60, FT80, RCX5, RS400, RS300X, RS100, CS300, CS200cad, CS100 and all similar previous models]; Slim and streamlined connector design; New and improved user-replaceable battery mechanism. Size XS-S Adult.](https://interestpin.com/uploads/pins/2016/04/medium/6760c7fcc37493cb5640ab5447afe806.jpeg)
Comfort is the key when training. The slim H1 heart rate sensor not only measures your heart rate but also seamlessly adapts to your body shape so you can forget you are wearing it and focus on your exercise. Features: Provides continuous, accurate heart rate measurement using 5kHz coded transmission; Soft fabric material feels like clothing on the skin; Compatible with most Polar products* and gym equipment in fitness clubs. [*FT1, FT2, FT4, FT7, FT40, FT60, FT80, RCX5, RS400, RS300X, RS100, CS300, CS200cad, CS100 and all similar previous models]; Slim and streamlined connector design; New and improved user-replaceable battery mechanism. Size XS-S Adult.
