First, the sports bracelet is not necessary. Even if there is no sports bracelet, how far you ran, how long you ran their hearts also have a number, fast running (12 kilometers an hour) 700 calories. Weight loss is weight loss, exercise can consume energy is limited, weight loss is the healthiest exercise, the most effective is dieting. A kilogram of fat 7000 calories, you calculate to lose a kilogram of meat need to run 10 hours, 120 kilometers. This is still a prerequisite. Fat will only be consumed in the case of insufficient intake of energy in the body, the daily energy of the basic metabolism is about 1500 cards, that is to say, if you do not eat anything every day , but also run for 1 hour, but only 2200 cards, to lose a kilogram of meat, you have to at least Oo three days, but do so obviously not, the meal is still necessary to eat, or lose weight on the hospital. As for food: beef noodles (bowl) 550 cards, fried rice (portion) 500 cards, consider how to eat three meals a day in order to lose weight, otherwise run for an hour, come back to drink a cup of milk tea (450 cards), basically equal to the white dry. (The above data is my situation to calculate, you need to assess please download the relevant APP calculation on your phone)

Second, running to lose weight is very bad, the first damage to the meniscus, running more, and so a little bit older you will know what is called the knee pain, leg pain, running hard directly on the surgical replacement of the meniscus, and nowadays, the air quality, all right, in the city a run, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth, a big mouth. The air quality nowadays, nothing to run in the city, a big mouthful of drug gas ah, will only die faster. The most consuming energy, and the damage is small should be swimming, because the water temperature is lower than the body temperature, the heat transfer will allow people to stay in the water for 8 minutes of the calories consumed, and in the same temperature of the air for 2 hours of the same amount of calories consumed, and at the same time there is the limbs of the strenuous movement of the energy consumption.

Thirdly, I don't know what Xiaomi III you're talking about.