This smart watch is a waste of ney.few days back I have bought this watch, it will looking quite nice but the it is waste.the company claims that it supports sim and sd card .but it doesn’t support sim and always show invalid sim card for a valid sim.the bluetooth connectivity is average and the straps are made of cheap quality.baytery keep goong down at almost 2 hours.if you anyone thinking of buying this.I would prefer not to buy???