Today Jawbone introduces the latest version of its fitness and sleep-tracking bracelets, the UP24. Some of you might have already used the prior version, simply called up, allowing you to track your fitness, your food intake and also your sleep. With the UP24 the brand introduces wireless data transfers to your smartphone, as well as a brand new UP 3.0 app. You cannot only sync in wirelessly, but also in real time. The new Jawbone UP24 bracelet is now available in two colors for $150 USD here.