BuyDig via eBay offers the Fitbit Charge Wireless Activity and Sleep Tracker Wristband
in Slate or Black, model no. FB404, for $99.99
with free shipping
. (Brookstone via Amazon
charges the same in Black.) That's the lowest total price we could find by $5, although we saw it for $6 less a month ago. It tracks your steps taken, distance traveled, calories burned, stairs climbed, and sleep quality on its OLED display. It's available in sizes S and L.