eBay has Fitbit Flex Wireless Activity + Sleep Tracker 2 Wristband for $64.99 (Reg $114.99).
Make fitness a lifestyle with Flex—a wristband that tracks steps, distance, calories …Monitor how long and how well you sleep & wake with a silent alarm.
Never stop moving with Fitbit Flex. Wear this slim, stylish device all the time and get the motivation you need to get out and be more active. It tracks steps, distance, and calories burned and shows you how you’re stacking up against your daily goals. At night, it tracks your sleep cycle, helps you learn how to sleep better, and wakes you silently in the morning. Access your stats anytime on your computer, tablet or from leading smartphones (compatible with over 150 devices)