Aliph - UP Wristband (Small) in OnyxThe Jawbone UP Wristband (Small, Onyx) is a wireless activity tracker made of hypoallergenic TPU rubber. The UP Wristband tracks calories burned, intensity, and many other statistics for any type of workout. Not only does the UP record your movement when you are awake, it also tracks your sleep. UP tracks the amount of hours you slept, if you were in a light or deep sleep, and any waking moments throughout the night. Up also allows you to track your diet by entering your food into the app or by simply scanning a barcode. Through compiling data on all of these different facets of your life UP paints a clear picture of how healthy your lifestyle is.