Ronten Direct via Amazon offers its Ronten R2 Smart Bluetooth Fitness and Activity Tracker in Black/Blue or Black/Teal for $36.99. Coupon code "MC3XKYD8" drops that to $33.29. With free shipping, that's $67 off and the lowest price we could find. It tracks steps, heart rate, calories, distance, and sleep. It includes two silicone bands. Deal ends November 30.