The scale intelligent Billow XFit Body with Bluetooth 4.0, it will help you measure conveniently your weight, subcutaneous fat, Muscle mass, age, body, BMI, visceral fat, bone mass to begin with, body fat, body water, protein, fat loss, skeletal muscle, BMR. Has high accuracy, and automatic calibration, 4 sensitive electrodes with the latest technology to ensure measurements of weight fast and accurate up to 180kg. You can download the application Fitdays from the Google Play Store or App Store.