Letsfit Fitness Tracker HR, Sports Fitness Watch with Heart Rate Monitor and Sleep Monitor, Pedometer Watch, Step Counter, Bluetooth Smart Band for Kids Women and Men Price: $35.00 $29.99 (as of 05/06/2018 18:12 PST- Details)

Wrist-based Heart Rate Monitoring: Monitors your heart rate at the wrist 24/7 so that you can get the most out of your workout
Sleep Quality Tracking: Automatically tracks your sleep data such as deep sleep hours, light sleep hours, and wake sleep hours
Daily Movement Tracking: Tracks your steps, distance, calories, active minutes all day, keeping you on the right path to reach your goals