With the increasing awareness of health, more families are beginning to focus on body fat monitoring. As a leading brand in the smart home appliance sector, Xiaomi has introduced multiple body fat scales to meet the diverse needs of its users. This article provides a detailed analysis of Xiaomi’s three models—the S400, S400 Pro, and S800—to help consumers make informed decisions and choose the product that best suits their requirements.
Introduction
In today’s increasingly health-conscious society, body fat scales have become an indispensable tool for monitoring overall wellness. Xiaomi’s range of smart body fat scales, with their advanced detection technology and extensive features, has earned widespread acclaim from users. However, with varying models and configurations available, selecting the right one can be challenging. Through detailed data analysis, this article aims to provide insights into each model’s unique characteristics and assist you in making a wise choice.

1. Detection Technology and Accuracy
| Model | Number of Measurement Parameters | DEXA Gold Standard Correlation |
|---|---|---|
| MiHome Body Fat Scale S400 | 25 parameters | >=0.93 |
| MiHome Body Fat Scale S400 Pro | 25 parameters | >=0.93 |
| MiHome Body Fat Scale S800 | 40 parameters | >=0.93 |
Feature Analysis
All three models utilize dual-frequency fat measurement technology, ensuring accurate and reliable results. The DEXA gold standard correlation of all devices is >=0.93, indicating that their measurements align closely with industry benchmarks.
- Number of Measurement Parameters:
- S400 and S400 Pro support 25 parameters, covering basic body composition analysis.
- S800 offers extended capabilities with 40 parameters, providing more detailed data for users seeking comprehensive insights into their physical makeup.
User Value
For those pursuing thorough health monitoring, particularly fitness enthusiasts or individuals focused on wellness management, the S800 stands out by offering detailed body fat and composition data to aid in formulating scientific exercise plans.
2. Functional Diversity
| Model | App Support | Display (Body Fat Rate/Heart Rate) | Screen Type | Trend Visualization | Handle Cable Automatic Storage | Bluetooth Connection |
|---|---|---|---|---|---|---|
| MiHome Body Fat Scale S400 | Yes | Yes | LED | – | – | Yes |
| MiHome Body Fat Scale S400 Pro | Yes | Yes | TFT Color Screen | Yes | – | Yes |
| MiHome Body Fat Scale S800 | Yes | Yes | LED | – | Yes | Yes |
Feature Analysis
- App Support:
- All models connect with the Xiaomi Health app, allowing users to view detailed monitoring data and historical records on their smartphones.
- Display and Screen Type:
- S400 and S800 feature LED displays, suitable for basic body fat rate and heart rate monitoring.
- The S400 Pro boasts a TFT color screen, offering richer visual content such as color charts and trend analysis for an enhanced user experience.
- Handle Cable Automatic Storage:
- Only the S800 features this convenient function, improving product usability by eliminating clutter from traditional cables.
User Value
For users prioritizing ease of use and data visualization, particularly those who prefer tracking health metrics through a smartphone app, the S800 excels with its automatic cable storage and user-friendly interface. Its color display significantly enhances the convenience and satisfaction of monitoring health data.
3. Battery Life
| Model | Standby Time | Power Source |
|---|---|---|
| MiHome Body Fat Scale S400 | 180–280 days | 3 AA Batteries |
| MiHome Body Fat Scale S400 Pro | 150–250 days | 4 AA Batteries |
| MiHome Body Fat Scale S800 | 200–400 days | 4 AAA Batteries |
Feature Analysis
- Standby Time:
- The S400 and S400 Pro offer standby times of 180–280 days and 150–250 days, respectively.
- The S800 boasts the longest battery life at 200–400 days.
- Power Source:
- S400 and S400 Pro use AA batteries, while the S800 uses AAA batteries. Consider battery availability and replacement frequency when making your choice.
User Value
Battery life directly impacts daily usage convenience. For frequent travelers or those preferring reduced battery changes, the S800’s extended standby time is a significant advantage.
4. User Interface (Screen)
| Model | Screen Type |
|---|---|
| MiHome Body Fat Scale S400 | LED |
| MiHome Body Fat Scale S400 Pro | TFT Color Screen |
| MiHome Body Fat Scale S800 | LED |
Feature Analysis
- LED Display:
- Provides clear readings for basic body fat rate and heart rate monitoring.
- TFT Color Screen:
- Delivers richer visual content, such as color charts and trend analysis, enhancing user experience.
User Value
For users who prefer to intuitively view health data, especially those who rely on color-coded displays to better understand and manage their physical condition, the S400 Pro offers an enhanced visual experience.
5. Additional Features
| Model | Multi-User Recognition | Heart Rate Measurement | Balance Test | Baby Holding Mode | Small Object Placement Detection |
|---|---|---|---|---|---|
| MiHome Body Fat Scale S400 | Yes | Yes | Yes | Yes | Yes |
| MiHome Body Fat Scale S400 Pro | Yes | Yes | Yes | Yes | Yes |
| MiHome Body Fat Scale S800 | Yes | Yes | Yes | Yes | Yes |
Feature Analysis
All three models come equipped with multi-user recognition, heart rate measurement, balance test, baby holding mode, and small object placement detection, showcasing Xiaomi’s comprehensive approach to product design.
User Value
These additional features make the scales versatile for family use, catering to users of all ages and health needs by supporting multiple functionalities beyond basic body fat monitoring.
Conclusion and Purchase Recommendations
Through detailed comparisons, we can summarize:
- S400:
- Ideal for budget-conscious users seeking essential body fat monitoring features.
- S400 Pro:
- Offers improved battery life and a more advanced display, making it suitable for those who prefer enhanced data visualization.
- S800:
- Features the most comprehensive set of measurements and longest battery life, catering to users pursuing extensive health monitoring and elevated user experience.
Final Recommendations
- Opt for the S400 if you prioritize affordability and basic functionality.
- Choose the S400 Pro for richer data visualization and extended battery life.
- Select the S800 for comprehensive health analysis and premium usability.
With its cutting-edge technology, diverse functionalities, and competitive pricing, Xiaomi body fat scales provide excellent options for various consumer needs. We hope this detailed comparison guide assists you in finding the perfect model to meet your health monitoring requirements.
Product Details
| Model | Links |
|---|---|
| MiHome Body Fat Scale S400 | https://www.mi.com/shop/buy/detail?product_id=19270 |
| MiHome Body Fat Scale S400 Pro | https://www.mi.com/shop/buy/detail?product_id=20409 |
| MiHome Body Fat Scale S800 | https://www.mi.com/shop/buy/detail?product_id=21172 |
