>> it will wake you up. and you have to charge it every night. >> is it a bad thing that the battery doesn't last. >> the battery, i have wore it two weeks. if you listen to music to it will last less than a day. but if people are interested in this have to be used that their watch needs to be charged as a phone. >> what is this one? >> this is lg gwatch r. they have a few smart watches. what is interesting, apple watches only work with iphones and so if you haven android phone what do you do? >> continue. >> and there is couple of models of watches. and this one costs $300 and much less expensive and it has mapping and notifications and