AT&T Wireless offers the Fitbit Charge 2 Wireless Activity Wristband in Plum, Teal, or Blue for $74.50 with free shipping. That's $15 under last month's mention and the lowest price we've seen. (It's the best deal today by $55.) It tracks steps, distance, sleep, and calories and features an OLED display with clock, continuous heart rate monitoring, multi-sport modes, Bluetooth 4.0, smartphone notifications, wireless sync with supported computers and smartphones, and a battery life of up to five days. It's available in select sizes S and L.