The product is well thought out, reliable and quality but is it useful? Yes, it really makes you aware of his activity fik days. This is a good way to vrailent change his sedentary habits. Compared to competitors, there measuring bpm but is not essential. It is also more discreet than the visible bracelets. The screen is very convenient and analysis on the app and on the web site are ergonomic. The only problem in my opinion is the sleep function is not developed enough and the night strap that detaches regularly after a moment.
