You want to go for a run and know how speed and distance can 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. Detail info manufacturer

If you|re seriously into multi-sports you|ll want to measure your speed and distance across more than just running. With the G3 GPS sensor W.I.N.D. you|ll be able to accurately track your movement whether your training involves canoeing, mountain biking, rowing or Nordic skiing. The perfect solution for measuring speed and distance across land, snow and water. The inbuilt sensitive SIRF III GPS system provides highly reliable GPS reception even in wooded areas. Detail info manufacturer