I've got this simple smart band from Garmin that I don't have to charge for over a week, and they have other models that hold even longer. Even if the only thi

I've got this simple smart band from Garmin that I don't have to charge for over a week, and they have other models that hold even longer. Even if the only thing it would do is vibrate when I'm getting a call, that would be worth it. I also hate charging things all the time, I'm sure you'd like it more.