First difficult times, the wifi was not working as well as the Bluetooth pairing with the phone. A very timely up-to-date settled the two problems, leaving only the positive sides - Very, very light - Impressive precision at the GPS. After a session on the track, the web application can trace the race, even the corridor is perceived changes - Very well run autonomy, the watch starts saving mode between the meeting, the battery then takes several days The reports are extremely detailed and make you want to excel. A significant investment, but worth the price.
