Xiaomi Composition Scale S400 – Smart Digital Weight & Fat Scale

Xiaomi Composition Scale S400 – Smart Digital Weight & Fat Scale, Dual-Frequency Bioimpedance, 25 Health Metrics, Bluetooth Connectivity, White

The Xiaomi Body Composition Scale S400 is a high-precision smart health scale designed to provide detailed insights into body composition beyond basic weight measurement.

Using advanced dual-frequency bioelectrical impedance analysis (BIA), the scale measures key health indicators such as body fat percentage, muscle mass, water content, protein levels, and bone-related metrics. It is engineered to deliver results that closely correlate with professional DEXA-level benchmarks for improved accuracy.

With support for multiple users, it is ideal for families, allowing each person to track personalized health data over time through the Xiaomi Home app via Bluetooth connection.

The scale also includes multiple weighing modes, making it suitable for adults, infants, and small objects, offering flexibility for everyday household use.

Built with tempered reinforced glass and a clean minimalist design, the S400 combines durability with modern smart health tracking technology.

Key Features

Dual-frequency bioelectrical impedance (BIA) measurement system

Tracks up to 25 body composition indicators

Bluetooth connectivity via Xiaomi Home app

Supports multiple user profiles (family-friendly)

Multiple weighing modes

Hidden LED display for clean design

Long battery life (up to ~180 days depending on use)

Specifications

Brand: Xiaomi

Model: Composition Scale S400

Product Type: Smart Composition Scale

Color: White

Measurement Technology: Dual-frequency BIA (Bioelectrical Impedance Analysis)

Health Metrics: Up to 25 indicators

Weight Range: 0.1kg – 150kg

Accuracy: 0.1kg increments

Connectivity: Bluetooth Low Energy (BLE) 5.0

Supported App: Xiaomi Home App

Display: Hidden LED display

Material: Reinforced tempered glass + engineering plastic

Power Source: 3 × AAA batteries

Operating Temperature: 0°C – 40°C

Weight of Device: Approx. 1.45kg

Units Supported: kg / lb

What’s in the Box

1 × Xiaomi Body Composition Scale S400 (White)

1 × User Manual