Smart Body Scale helps to track and manage your health index at any time, keep you and your family healthy FULL BODY COMPOSITION MEASUREMENTS- including Weight, BMI, Body Fat, Visceral Fat, Muscle Mass, Bone Mass, Body Water, and more! You can weigh yourself anytime without your phone. The data will sync to the app once it is connected again It works with Bluetooth 4.0, supports Android 4.3 and IOS 7.0 or above system Bluetooth Scale allows you and your family to share one scale together . It’s convenient for every member to know their body metrics better and do some relevant improvement. Especially perfect for body builder, weight loser, junior those working on weight loss