Acer via eBay offers its factory-refurbished Acer Liquid Leap Fitness Tracker
in Royal Blue for $19.99
with free shipping
. That's tied with our mention from two weeks ago and the lowest total price we could find today by $9. It's compatible with Android, iOS, and Windows phones and tracks sleep, calories, steps, and distance, as well as smartphone notifications. A 90-day Acer warranty applies.