Xiaomi Body Composition Scale S400 - Dual-Frequency Bioelectrical Impedance

Dual-frequency bioelectrical impedance for cell-level precision

Uses 50kHz low-frequency and 250kHz high-frequency alternating currents to accurately measure intracellular and extracellular fluids, delivering precise body composition analysis.

Xiaomi Body Composition Scale S400 - DEXA Benchmarked Accuracy

Benchmarked against DEXA gold standard with ≥0.93 correlation

Boasts a correlation coefficient of ≥0.93 against medical-grade DEXA scans for key health metrics like body fat percentage and fat mass, delivering reliable health insights at home.

Xiaomi Body Composition Scale S400 - 25 Body Composition Indicators

Comprehensive analysis of 25 key body composition indicators

Generates a detailed health report covering 25 indicators in a single measurement—including body fat, muscle mass, body water, protein, visceral fat rate, BMI, and bone mineral content.

Xiaomi Body Composition Scale S400 - Static Heart Rate Monitoring

Integrated static heart rate monitoring for cardiovascular tracking

Automatically tracks your static heart rate directly on the scale right after measuring body fat, giving you convenient visibility into your baseline heart health.

Xiaomi Body Composition Scale S400 - Multi-User Profile and Smart Weighing Modes

Versatile weighing modes with support for up to 36 user profiles

Designed for the whole family (ages 6–80) with memory for up to 36 users, plus specialized modes for small items (from 0.1kg), baby/pet holding, and guest measurements.

Xiaomi Body Composition Scale S400 - Hidden LED Display & Up to 180-Day Battery Life

Interactive LED display, Bluetooth 5.0 & up to 180-day battery life

Displays key metrics like weight, body fat %, and heart rate directly on screen, syncing seamlessly with the Xiaomi Home app via Bluetooth 5.0 with up to 180 days of battery life.