Strapless heart rate watch & calorie counter for those who want long-term results. Stylish, easy to use, ECG accurate strapless heart rate monitor. Ideal for those looking for a weight management tool that will give personalized feedback. You take control and decide what you want to do – lose weight, gain weight or simply maintain your shape. Enter age, gender, weight and resting heart rate and MIO will do the rest. Like have a personal trainer right on your wrist.