Xiaomi Composition Scale ( S400)

Dual‑Frequency Bioelectrical Impedance Analysis (BIA) – Uses both low and high frequency currents for more precise body composition measurement.

Up to 25 Health Metrics – Provides comprehensive analysis including weight, BMI, body fat percentage, muscle mass, body water content, protein levels, bone mineral density, visceral fat rate, basal metabolic rate (BMR), body age, and more.

Professional Accuracy – Body fat percentage and other key metrics benchmarked against industry-standard DEXA measurement.

Static Heart Rate Monitoring – Measures resting heart rate during weigh-ins to monitor cardiovascular health.

Supports Multiple Users – Can store and manage data for up to 36 family members with profile recognition and progress tracking.

Special Weighing Modes – Includes modes like baby/pet weighing, guest measurement (data not saved), and balance testing, with custom modes via the app.

Bluetooth 5.0 (BLE) – Syncs measurement data to smartphone using the Mi Home / Xiaomi Home app for trend tracking and analysis.

Cloud Sync (Optional) – Auto-uploads data to cloud storage when connected via a Bluetooth gateway device for long-term access.

Large Anti‑Slip Platform – Stable tempered-glass surface with enlarged anti-slip contact area for safe and balanced standing.

Hidden LED Display – Shows key information clearly while maintaining a sleek, modern look.

Reinforced Glass + Engineering Plastic – Durable construction combining strength and aesthetic design.

Lightweight & Compact – Dimensions approx. 300 × 300 × 24.55 mm, easy to place in bathrooms, bedrooms, or home gyms.

Weight Range: 0.1 kg to 150 kg with 0.1 kg resolution.

Units: Measures in kilograms or pounds (switchable).

Battery Powered – Uses 3 × AAA alkaline batteries with long battery life.

App Support: Compatible with Mi Home / Xiaomi Home app on Android 8.0+ and iOS 12.0+.