No, a full day just isn't enough. What about the time when you come home wasted from too much work/partying and you just forget to charge the thing. Then you wa

No, a full day just isn't enough. What about the time when you come home wasted from too much work/partying and you just forget to charge the thing. Then you wake up, decide you don't want to wear it because you just want to chill on the beach/park/anywhere, and then you put it on on the next day, and it is dead. And to use it you need to charge it for an hour or so, so you can't wear it on that day.