Focus Camera via eBay offers the Fitbit Charge HR Wireless Activity and Sleep Tracker in Black, model no. FB405, for $109.99 with free shipping. That's tied with our mention from two weeks ago and the lowest total price we could find by $12, although many stores charge around $140 to $150. Features include continuous heart rate monitoring, step-, distance-, sleep-, and calorie-tracking, time and date display, and wireless sync with supported computers and smartphones. It's available in size L.