Wishing a heart rate monitor for a long time, I went in search of the holy grail. After studying different model, I quickly turned to the forerunner 220.Pourquoi you say? It's easy to start up, it captures the GPS signal in record time (I never patient before running ...), it is very light, has a nice design (it therefore also carries daily) it recharges on USB port and autonomy announced by the manufacturer is accurate. Point pleasant, you can set The display that you want (speed, total time, heart rate, effort, beach etc ..) Another very eye-catching point, you can thanks to the brand, access the software "garmin connect" free and also very intuitive. It will let you view all your errands (or outputs; it is also valid for cycling) and you'll be rewarded with some of your ads addictive record time !! In short, I especially recommend this simple product, aesthetic and very efficient for my little amateur level.