Easy to operate: Stepon technology with autooff, autozero, and autocalibration delivers accurate readings without manual input. Quick setup and readings: Three simple steps to install the smart app; in 3 seconds view your weight and BMI trend; measures shown in both lb and kg. One scale, unlimited users: A wireless scale that can be shared by the whole family. Each member can download the app on their own device or use the same device, and view their own body metrics and progress. Especially suitable for bodybuilders, weight losers, and anyone managing fitness goals. App compatibility and data tracking: Syncs fitness data to a centralized store so you can track progress over time. Supports Android 4.0 and above and iOS 8.0 and above. The digital smart scale with app tracks weight and BMI trends, with no manual data entry, and supports multiple users. Practical use scenarios: Family health monitoring: Multiple users in a household track weight and BMI trends on their own devices, all using one scale. fitness goals: Individuals pursuing weight loss or muscle gain monitor weight and BMI trends over time to adjust routines. Professional tracking: Trainers or coaches can review clients' progress via the app, keeping data centralized and accessible across devices.