Colorful Blur via Amazon offers the Lemfo Color Screen Smart Fitness Tracker with Heart Rate Monitor for $24.64. Coupon code "VYAORULF" cuts that to $19.71. Plus, Prime members get free shipping. That's $5 under our January mention, $5 off, and the lowest price we could find. This IP67 waterproof tracker monitors heart rate, sleep, steps, distance, and calories burned. Features include a full-color 1" 128x64 IPS OLED display, Bluetooth 4.0, smart notifications, watch function with alarm, and rechargeable LiPo battery with up to seven days of run-time per charge. Deal ends March 20.