Blutek via eBay offers the Fitbit Charge 2 Wireless Activity Wristband in several colors (Black pictured) for $109.99 with free shipping. That's the lowest total price we could find by $30, although we saw it for $10 less in February. Features include an OLED display with clock; continuous heart rate monitoring; step-, distance-, sleep-, and calorie-tracking; multi-sport modes; Bluetooth 4.0; smartphone notifications; and wireless sync with supported computers and smartphones. It's available in sizes S and L.