Staples offers the Jawbone UP Fitness Tracker Wristband in five colors (Onyx pictured) for $49.99. Coupon code "33466" cuts it to $39.99. With free shipping, that's $20 under our mention from two weeks ago and the lowest total price we've seen. (It's also a current price low by $23.) It's compatible with the Amazon Fire phone, Android 4.0 or later devices, or iOS 6.0 or later devices. It's available in sizes S to L, although not in all size/color combinations. Deal ends October 25.