Archon Fit Smart Body Fat Electronic Scale utilizes advanced dual-frequency Bioelectrical Impedance Analysis (BIA) technology to measure and track your weight and other body composition data needed to manage your personal health: BMI, body fat percentage, body water, body Age, skeletal muscle rate, muscle mass, protein, bone mass and basal metabolic rate, etc., relevant data can be synchronized to Apple Health App and Google Fit. New school platform supports multi-user and class measurement and data analysis (enhanced options)