Excellent device. For the cardio sensor must not hesitate to wet the skin if not, we must sweat and it works very well. Several windows display which allows to have all the information before me: speed, average, distance, heart rate, stopwatch etc ... Quick GPS, a minute to lock onto the satellites and is party. Communication with the computer and the site GARMIN by a small flash drive. A small software to download and voila ... all done automatically. Then, the software sends you to the site to analyze your data. Ability to create a route very easily, even outside of the box and send it to your Forerunner 310 and can be followed on the small screen to avoid getting lost. In short, great gift for my Christmas, I can not live without it and in addition, it motivates to move ...
