Get all the essential heart rate features with this good-looking and simple-to-use training computer. RS300X is compatible with S1 foot pod? and G1 GPS sensor, so you can combine heart rate with speed and distance. Only then you can truly make sense of your training and be sure it's worth all the effort…

Get all the essential heart rate features with this good-looking and simple-to-use training computer. RS300X is compatible with S1 foot pod? and G1 GPS sensor, so you can combine heart rate with speed and distance. Only then you can truly make sense of your training and be sure it's worth all the effort…

For cross-sport training Speed and distance is nothing without heart rate monitoring. Only by combining these three with the RS300X, you can truly make sense of your training. G1 GPS sensor provides speed and distance in various outdoor sports, so you know it's worth all the effort.

…aid your performance. Without heart rate, you can only get so far. The RS300X combines these three to give you a true understanding of the effort you put in. And on top, all the essential heart rate features come along RS300X, on the run and online.

For cross-sport training Speed and distance is nothing without heart rate monitoring. Only by combining these three with the RS300X, you can truly make sense of your training. G1 GPS sensor provides speed and distance in various outdoor sports, so you know it's worth all the effort.

…aid your performance. Without heart rate, you can only get so far. The RS300X combines these three to give you a true understanding of the effort you put in. And on top, all the essential heart rate features come along RS300X, on the run and online.