This body fat scale features with full body composition, including body score,BMI,body fat percentage, body water, muscle mass, visceral fat, bone mass, protein; The data will sync to the phone app once it connected successfully. Whether you are a committed athlete or just someone who was always wondered about your body weight, body fat, BMI, calorie, muscle mass and bone mass percentages, this scale gives you all the info you need to track your progress toward fitness. This scale is equipped with 4 high-precision sensors to provide accurate measurements down to a 0.02 lb (0.01 kg) graduation.The scale will recognize you based on past stored readings and holds up to 8 personal profiles. This scale is designed for use on flat and hard surfaces, avoid any carpets or soft surface. Please re-c