First, many difficulties to pair the bracelet on the phone (tested with Sony Xperia Z) ... After several relocations of the app, and manual setting, the bracelet is finally operational. Not necessarily very obvious to take control, then. The bracelet itself is of good quality. Look not at all cheap, beautiful screen. The clasp is not more convenient, but once the attached strap, do not worry. Level functionality at the bracelet, no complaints. Notifications (with reading SMS and notification of appointment), music control, of course pedometer. Very complete! Only autonomy seems a bit low compared to other bracelets (only 4 days). The app itself has a beautiful design, but it lacks for its part still overall functionality. Maybe the next updates will improve the whole ...