Z55 Ultra smartwatch with female chain strap and rubber strap, magnetic charger etc. its a fitnesstracker, passometer, call reminder,answer call,push message, message reminder, dial call,heart rate tracker, gesture control... it can also serve as a notifying device for some of the app on the connected phone ( apps like) -facebook -whatsapp -instagram -twitter and also gmail too. etc it can also serve as an health tracking device because it has the ability to -read blood pressure -read the heart rate -check calories and also count steps battery capacity - 200mah operation mode - full touch + double button magnetic charging support android and ios