Xiaomi Mijia S400 Pro

Mijia Body Composition Scale S400 Pro is a premium smart bathroom scale from Xiaomi’s Mi Home ecosystem.

Key Features

• Large 3.5-inch TFT Color Display: Built-in high-resolution screen shows real-time measurements and historical trends directly on the scale (no phone needed for basic use). It displays body fat percentage (as seen in the image: 18.0%), weight, and other metrics with clear visuals.

• Advanced Body Composition Analysis: Uses dual-frequency bioelectrical impedance analysis (BIA) with ITO-coated tempered glass electrodes for improved accuracy. It measures 25+ body metrics

High Precision & Range: Weighing range of 0.1–150 kg (supports both people and small objects/items weighing). Benchmarked against DEXA gold standard with strong correlation (≥0.93 for key metrics like body fat).

• Design: Sleek black square body with rounded corners, large 300x300mm ITO-coated tempered glass surface (durable and stylish), and central Mi logo. The packaging highlights the modern, minimalist aesthetic.

• Smart Features: Bluetooth 5.1 connectivity, supports multiple user profiles (up to dozens), customizable display content, long battery life (up to 150–180 days), and integration with the Mi Home / Xiaomi Fitness app for tracking trends, health insights, and smart home compatibility.

• Extra Capabilities: Small object weighing mode and heart rate-related features in some variants.