And since it’s made from a hypoallergenic TPU rubber, it fits comfortably in the wrist. Using the UP app, users can tracking their sleeping time and setup a silent smart alarm via the Power Nap feature. Users can also display comprehensive information such as active vs. idle time, intensity of movement, total steps, distance, and calories burned. UP also tracks mood, food choices, and will even offer highly personalized insights. The UP wristband comes in small, medium, and large sizes and in eight different colors. It is now available at Apple, AT&T, Best Buy, and online for $129.99. Meanwhile, the UP for iOS app can be downloaded via iTunes. You can check out the app here.