The Xiaomi Body Composition Scale S400 is a smart health tool designed to provide a comprehensive view of your physical condition. Using Bluetooth Low Energy 5.0, it synchronizes with the Mi Home or Mi Fit app on Android 8.0 and iOS 12.0 devices, allowing you to track weight, BMI, body fat percentage, muscle mass, bone density, water content, and basal metabolic rate. This scale supports up to 36 different users, making it a practical choice for a shared household where everyone can monitor their own progress. Its minimalist design features a white glass platform measuring 30 cm by 30 cm with a slim profile of 2.45 cm. The device weighs 1.45 kg and can handle a maximum load of 150 kg with a measurement precision of 1 kg. An integrated LED display provides clear readings, while the auto power on/off function ensures efficient use of the three AAA alkaline batteries that power the system at 4.5 V. Whether you prefer kilograms or pounds, this scale integrates easily into your daily wellness routine.