Like its predecessor, UP24, Jawbone’s UP2 is capable of measuring the steps you take each day, your distance traveled and calories burned. There's sleep tracking onboard, too. There is also a food, drink and mood tracker. Luckily, the UP2 is splash resistant, so don’t worry about rain, sweat or the shower. But, for those who prefer to swim than squat, this little gadget won’t cut the mustard as it can't be submerged.