Coffea via Amazon offers Prime members the Coffea Fitness / Activity Tracker in several colors (Black pictured) for $24.99. Coupon code "goodluck6699" cuts it to $16.99. With free shipping, that's $8 off list and the lowest price we could find. It's compatible with iOS and Android and tracks steps, distance, calories burned, and sleep. A second silicone band is included. Deal ends June 30.