Xiaomi S400 Smart Body Fat Scale: Dual-frequency bioelectrical impedance measurement
For the health-conscious American who tracks more than just weight, the Xiaomi Smart Body Fat Scale S400 offers a comprehensive view of your wellness. It's perfect for families wanting to monitor fitness progress or individuals managing specific health goals, like building muscle or reducing visceral fat.
This scale goes beyond simple numbers by providing 25 body composition indicators, including body fat percentage and muscle mass, with accuracy comparable to medical devices. The dual-frequency measurement ensures reliable data, whether you're checking daily changes or tracking long-term trends. You can easily sync results via Bluetooth to your phone, making it a seamless part of your routine without manual logging.
Practical features like support for up to 36 family members and a large anti-slip surface make it ideal for shared households. The scale even handles small objects or baby weighing, adding versatility to your home. With a long battery life and clear display, it delivers actionable insights to help you make informed health decisions every day.
Features
- 25 body composition indicators including body fat percentage
- Static heart rate monitoring
- Multiple weighing modes
- Large-diameter electrode pad
- Bluetooth Low Energy (BLE) 5.0
- Supports up to 36 family members
- Battery life up to 180 days
- Enlarged anti-slip surface
- Operating temperature: 32°F to 104°F
- Product net weight: 3.2 lbs
- Measurement range: 0.22 lbs to 330.69 lbs
- Product dimensions: 11.81 x 11.81 x 0.97 inches
- Small object weighing (0.22 lbs to 22.05 lbs)
- Bluetooth gateway compatibility for automatic synchronization
- Dual-frequency bioelectrical impedance measurement
General specs
- Brand: Xiaomi
- Model: S400
- Seller: Joom
- ID: 6927fec4c4d77e010a27d549
- Material: Tempered Glass
- Connectivity: Bluetooth
- Display Type: LCD
- Power Source: Rechargeable
- BIA Technology: Dual-Frequency BIA
- Metrics Measured: BMI, Body Fat Percentage, Bone Mass, Heart Rate, Muscle Mass, Water Percentage, Weight
- OS Compatibility: Android, iOS
- App Compatibility: Mi Home
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Xiaomi S400 White
|
RENPHO R-A018 Black 13 detailed body metrics analysis
|
Wyze WSCLUB_BL Black
|
runstar FG2422 Black Gold Full-body scan with 8 electrodes for 28 metrics
|
FITINDEX ES-26M White
|
YINOLIFE FI2428LBF Black
|
|
| Brand | Xiaomi | RENPHO | Wyze | runstar | FITINDEX | YINOLIFE |
| Model | S400 | R-A018 | WSCLUB_BL | FG2422 | ES-26M | FI2428LBF |
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| Price | $42.86 | $49.99 | $129.98 | $99.99 | $24.99 | $29.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 11, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 | December 9, 2025 |
| Material | Tempered Glass | Tempered Glass | Aluminum Alloy, Tempered Glass | ABS | Tempered Glass | |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Display Type | LCD | LCD | LCD | LED | LED | LCD |
| Power Source | Rechargeable | Rechargeable | Rechargeable | Rechargeable | Battery | Rechargeable |
| BIA Technology | Dual-Frequency BIA | BIA | BIA | Dual-Frequency BIA | BIA | BIA |
| Metrics Measured | BMI, Body Fat Percentage, Bone Mass, Heart Rate, Muscle Mass, Water Percentage, Weight | BMI, Body Fat Percentage, Bone Mass, Muscle Mass, Water Percentage, Weight | BMI, Body Fat Percentage, Muscle Mass, Weight | BMI, Body Fat Percentage, Muscle Mass, Weight | BMI, Body Fat Percentage, Muscle Mass, Bone Mass | BMI, Body Fat Percentage, Muscle Mass, Bone Mass, Weight |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | iOS | Android, iOS | Android, iOS |
| App Compatibility | Mi Home | Apple Health, Samsung Health | Apple Health | Apple Health | Apple Health, Samsung Health | Apple Health |
| Dimensions | 11, 11, 0.9 | 34.01, 39.19, 5.41 | 10.2, 10.2, 0.96 | 11.8, 11.8, 1.1 | ||
| Item Weight | 1.29 | <num1>, <num2> | 1.9 kg | 1.1 | 1.8 | |
| Measurement Increments | 0.05 | 0.1 lbs | 0.05 | 0.045 | ||
