So far, if there is anything we can reproach him smartwatches manufacturers is the short duration of their batteries. Although some as the Apple Watch have a savings system so that the increases few days, the fact is that we cannot enjoy one of these watches one hundred percent without forgetting loading. The small size of these devices makes it impossible to mount the battery with higher rating, but little by little they are making progress. An example of this is the new Asus smart watch, the VivoWatch, which claims to last about ten days. The device will be presented in Milan, the