Measurement of heart rate and calories burned and a GPS indicating its position, recording the journey made or allowing you to follow a predefined route. The most sophisticated models offer additional functions and accessories such as an altimeter, barometer, thermometer, compass and mp3 player. They can be connected to a computer or Smartphone for data analysis, monitoring progress and programming a training plan, displaying the route taken or programming a route to follow.
From the entry-level model, sufficient for beginners, to the top-of-the-range and luxury model to the ultra-sophisticated functions with real-time data analysis and evaluation, map display, etc., everyone will find something to suit their budget.