Xiaomi Body Composition Scale S400

Precision Health Tracking for Everyone: Xiaomi Body Composition Scale S400

Take your wellness journey to a professional level with the Xiaomi Body Composition Scale S400. Moving far beyond standard weight measurement, this advanced smart scale utilizes cutting-edge dual-frequency bioelectrical impedance analysis (BIA)—alternating between high and low electrical frequencies to accurately penetrate cell membranes. This allows the device to precisely gauge both intracellular and extracellular fluid impedance, capturing deeply reliable data on your body composition.

Benchmark-tested against industry-standard DEXA measurements with a correlation coefficient of $\ge 0.93$ for key metrics like body fat percentage and fat mass, the S400 delivers clinical-grade precision right to your home. A single step onto the tempered glass platform generates a comprehensive analysis report covering 25 vital body composition indicators—including muscle mass, water content, protein, bone mineral density, and visceral fat rates. Complete with static heart rate monitoring, multi-user support for up to 36 family members, and seamless syncing with the Mi Home / Xiaomi Home app, the S400 is your ultimate household health partner.

Professional Studio Features

• Dual-Frequency BIA Technology: Employs dual high (250kHz) and low (50kHz) alternating frequencies to measure intra- and extracellular fluids with clinical-grade accuracy.

• DEXA-Matched Reliability: Achieves a high correlation coefficient of $\ge 0.93$ against gold-standard DEXA scans for body fat and fat mass metrics.

• 25 Comprehensive Indicators: Instantly analyzes body fat, muscle mass, protein percentage, bone mineral content, visceral fat level, and more.

• Static Heart Rate Monitoring: Tracks your resting heart rate right after body fat analysis to keep tabs on your cardiovascular wellness.

• Family-Friendly Versatility: Features calibration algorithms for young users and supports up to 36 distinct family member profiles with automatic user recognition.

• Extended 180-Day Battery Life: Powered by three standard AAA batteries designed to last up to six months of regular daily use.

💡 Pro-Tip: Wipe the soles of your feet with a slightly damp cloth before stepping onto the scale’s large electrode pads to optimize conductivity and ensure the most accurate dual-frequency reading.

Technical Engineering & Specifications

Xiaomi Body Composition Scale S400 Frequently Asked Questions

Q: How does the dual-frequency measurement work?

A: Traditional scales use a single frequency that only estimates surface data. The S400 uses both a low frequency (to measure extracellular fluids in blood and tissue) and a high frequency (to penetrate cell membranes and measure intracellular fluids in muscles and organs) for vastly superior precision.

Q: Can multiple family members use the same scale?

A: Yes! The scale supports up to 36 user profiles through the Mi Home/Xiaomi Home app. It can automatically recognize household members based on historical data and sync individual reports privately.

Q: What age range is supported for body composition tracking?

A: The scale’s body composition features are optimized for users aged 6 to 80 years old (height range 90–220cm). Children under 6 or adults over 80 can use the device to measure weight.

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