Northwest Outdoor via eBay offers the refurbished Garmin Vivosmart Touchscreen HR Activity Tracker in Black, model no. 010-01955-00, for $64.95 with free shipping. That's $15 under the lowest total price we could find for it new. It monitors heart rate, calories burned, distance traveled, steps taken, stairs climbed, and activity intensity. It features a 160x68 touchscreen LCD, smart notifications for calls, texts, and e-mails, an alarm, and a 5-day rechargeable battery. A 1-year Garmin warranty applies.