Fitness is not just about how far you can run, how many reps you record or how many minutes you spend in the gym; it’s about making your workout count… getting your heart rate up and burning those calories. MIO Drive is designed for fitness enthusiasts who want to maximize their workouts with on-demand, ECG accurate heart rate monitoring. It’s the perfect workout companion, allowing you to follow the progress of your workout with personalized heart rate, % of maximum heart rate display, and calories burned during exercise. Features: o On demand, ECG accurate heart rate without a chest strap o Calculates calories burned during exercise o Visual indicator of exertion level o Percentage of maximum heart rate o Designed to utilize the MIO 3500 Calorie Club program o Five (5) exercise timers: Count up, Count down, Count up with warm-up, Walk/Run and Repeat o User accessible battery hatch o Interchangeable watch bands with colors to fit your every mood (additional bands sold separately)