there are tons of smart waches out there and some are veery pricey for all they do always check the cheeper ones before you buy look at reviews are they the same or better than the more expensive and you should allowed tyone on at store and find a feelig and look of what you want like i love all the differt thingbu can use one it plus say ur phone dies just pop it out ur phone and put in the watch andbcharge your phone wou can either bluetooth to your phone and watch together or put ur sim an sd memory card right inn the phone si need to carrie your fone to.im still learning the watch so i will uptate you soon with all the neat fun things i learn.