The Beurer BF720 Bluetooth Digital Body Weight Scale is a smart scale that provides you with more than just body weight data and connects to your smartphone via Bluetooth. It can generate body weight, body fat, body water, muscle percentage, bone mass, basal and active metabolic rate, and BMI. With a 400lb capacity, 8 user storage spaces on the device, and auto-user recognition it can be used by all adults in your household. Our free beurer HealthManager Pro app will auto-sync and upload your data to your smartphone via Bluetooth whenever it is open and in range. Choose from 1 of 5 activity levels that best matches your physical activity levels to help the scale estimate your daily calorie needs. At Beurer, we know that health and wellness is about more than just the weight on the scale, which is why we designed our BF720 to provide you as much diagnostic data as possible.