Xiaomi Body Composition Scale S400 – Overview
Key Features
- Dual-Frequency Precision: Measures body composition using 50kHz low-frequency (extracellular fluids) and 250kHz high-frequency (intracellular fluids) bioelectrical impedance for in-depth analysis.
- Comprehensive Health Metrics: Tracks 25 body composition indicators including weight, BMI, body fat percentage, muscle mass, visceral fat rate, bone mineral content, protein mass, body score, and heart rate.
- Accurate & Reliable: Key data benchmarked against DEXA with a correlation coefficient ≥0.93 for body fat and fat mass.
Advanced Health Monitoring
- Heart Rate Monitoring: Static heart rate measurements to track heart health.
- Multiple Measurement Modes: Standard, baby holder, balance testing, visitor mode, and small object weighing (0.1–150kg).
- Family-Friendly: Supports up to 36 users, suitable for ages 6–80.
Design & Usability
- Large-Diameter Electrodes (58mm) and anti-slip surface (40mm) for stable, precise readings.
- Interactive Display: Shows weight, body fat, heart rate, battery level directly on the scale.
- Bluetooth® Connectivity: Syncs automatically with Mi Home/Xiaomi Home app for data tracking, analysis, and storage.
Durability & Convenience
- Long Battery Life: Up to 180 days per battery replacement.
- Portable & Stable: Designed to prevent tipping and ensure consistent measurements.






