Only hinders the price! It should already have an iPod. Then a pair of Nike Plus, where you can insert a small chip adaptable to Ipod ... also pay. Result of the operation: 300 euros minimum.
To improve your results and be part of a community of runners, you can also log on Jiwok . A website created by two sports enthusiasts and in partnership with Jogging International, CREPS Montpelier and Polar (watches calculating the heart rate). Their goal: to provide training for beginners to advance riders, but also regular and confirmed. All this for free!
The principle is simple. Just have a mp3 player of any brand. Then, depending on