Iqi i8 battery drain

Ive bought this watch and it seems very good but it drain battery very fast, i dont know if is a problem of my watch. If i dont touch it , it consume more or less 10% per hour with only bluetooth enabled. Moreover it became very hot using certain app. There is some setting to reduce comsumption? There is a way to change battery?

Even wrist gesture is off ? Have you set Google account sync ? Those two features are known to be using battery…

After some testing ive discovered that is bluetooth that drain battery like a crazy, without it battery comsumption is 1% per hour more or less with aod on. With bluetooth enabled is 10% per hour. The only app that use bluetooth is the standard companion app of the watch. There is a way to disable this app on the watch?