Domiratic via Amazon offers the Domiratic Fitness Tracker with Heart Rate Monitor in Black or Red for $34.99. Coupon code "6X8BXNJB" knocks it to $20.99. With free shipping, that's $4 under last month's mention, $14 off, and the lowest price we could find. It monitors heart rate, movement, and sleep. Other features include a medication reminder, stopwatch, and device finder. Deal ends August 15.