Groupon offers the Jawbone UP Fitness Tracker Wristband in five colors for $48.99 with free shipping. Although we saw it for $9 less last week, that's still the lowest total price we could find now by $13. It's compatible with devices running Android 4.0 or later, and iOS 5.1 or later. It's available in sizes S to L, although not in all size/color combinations. Deal ends November 9 at 2 am ET.