The watch is good in itself, very pretty, and the principle is great. But ..... Rotten by app not up to par. The watch disconnects all the time, notifications do not work, the sav puts a beating down Reply to, and does not offer a solution. Warning: Only with running android smartphones with minimum 4.3 and some smartphones. The only advantage is the service life of the battery (one for the part shown, the portion notifications). I hope it will work soon. ....?