Xiaomi Body Fat Scale S400 Bluetooth 5.0 Weight Scale Smart Home Body Composition 150KG BMR Test Heart Rate Hidden LED Display

Note: Please download the MiHome application, set the country and region to Chinese Mainland, and then search for Mijia Body Composition Scale S400. Thank you

1. Dual-frequency precision measurement for in-depth health analysis.

2. Dual-frequency bioelectrical impedance measurement takes precision to a new level.

3. Mi Body Fat Scale S400 can accurately measure body data.

4. Key data benchmarked against the industry gold standard for professionally accurate fat measurement.

5. Receive comprehensive insights into your health with a detailed analysis of 25 body composition indicators.

6. Covering the health of more family members for shared well-being.

7. Static heart rate monitoring focuses on heart health.

8. Various weighing modes for versatile and convenient use.

Specifications:

Product Name: Mi Body Fat Scale S400

Product Model: MJTZC01YM

Product Dimensions: 300x300x24.55mm

Weight Unit: kg, jin

Weighing Range: 0.1~150kg

Minimum Division: 0.1kg

Shell Material: Tempered Glass + Engineering Plastic

Operating Temperature: 0°C~40°C

Product Net Weight: 1.45kg

Wireless connectivity: low-power Bluetooth 5.0

Rated Voltage: 4.5V ⎓ (3 x AAA Alkaline Batteries)

Supported Systems: Android 8.0 or iOS 12.0 and above versions

Package Information:

Mi Body Fat Scale S400 x 1

No. 7 (AAA) Alkaline Batteries x 3 (pre-installed)

User Manual x 1

Mijia Body Fat Scale S400

Dual-frequency precision measurement for in-depth health analysis.

Accurate: Dual-frequency impedance measurement for precision.

Reliable: Key fat measurement data benchmarked against the gold standard DEXA.

Detailed: 25 comprehensive health indicators.

Convenient: Multiple measurement modes for peace of mind.

Is your physique healthy?

The key to a healthy physique lies in body fat percentage and muscle mass. Mi Body Fat Scale S400 can accurately measure body data, providing a detailed analysis of your physical condition. By identifying "hidden obesity" at its roots, it assists in scientifically managing body shape and health.

Dual-frequency bioelectrical impedance measurement takes precision to a new level. By utilizing both high and low-frequency alternating currents to penetrate cell membranes, it accurately measures the impedance values of intracellular and extracellular fluids, providing precise detection of body fat, water content, muscle, and other health data.

①Low-frequency 50kHz: Measures extracellular fluid, detecting water in blood and tissue fluids.

②High-frequency 250kHz: Measures intracellular fluid, assessing muscles, fat, bones, organs, and other internal cellular components.

Key data benchmarked against the industry gold standard for professionally accurate fat measurement.

DEXA (Dual-Energy X-ray Absorptiometry)[1] is widely recognized as the "gold standard" for body composition measurement. The closer the correlation coefficient is to 1, the more accurate the measurement data.

Mi Body Fat Scale S400 benchmarks against DEXA, with a correlation coefficient of ≥0.93[2] for core data such as body fat percentage and fat mass, ensuring more accurate and reliable measurement data.

Receive comprehensive insights into your health with a detailed analysis of 25 body composition indicators.

A single measurement generates a professional report[3] that intricately dissects body fat, muscle mass, water content, protein, bone mineral content, and more. Assess visceral fat levels and the risk of hidden obesity, providing an in-depth analysis of your health status. Easily comprehend your body changes at a glance.

Covering the health of more family members for shared well-being.

One scale for the whole family, supporting a special algorithm for adolescent health fat measurement. This helps parents promptly identify children's body fat and weight health issues, enabling adjustments to diet and exercise levels, and reducing the risk of obesity.

Supports the storage of information for up to 36 members, usable for individuals aged 6 to 80 years old.

Static heart rate monitoring focuses on heart health.

Whether the heart rate is too high or too low, it can be a sign of health issues. Mi Body Fat Scale S400 provides static heart rate detection[6], indicating slow, normal, or fast heart rates, making it more convenient to monitor heart health.

①Slow Heart Rate

②Normal Heart Rate

③Fast Heart Rate

*The heart rate measurement function can be turned on or off through the app.

Various weighing modes for versatile and convenient use. One scale serves multiple purposes, supporting quick switches on the Mi Home app[7].

①Small Object Weighing: Accurate to 0.1kg, suitable for weighing small items.

②Baby Holding Weighing Mode: Measures the weight of infants or pets while being held.

③Visitor Measurement Mode: Single measurement without data storage.

④Large Range Weighing: Supports a weight range of 0.1~150kg.

Accurate, stable, and longer battery life – a scale that everyone in the family can trust.

Featuring large-diameter electrode pads to enhance contact conductivity, ensuring more accurate measurements. The enlarged anti-slip scale feet provide stability, preventing tipping during use. With a battery replacement interval of just half a year, it offers a more convenient user experience for the whole family.

①58mm large-diameter electrodes

②40mm enlarged anti-slip scale feet

③180 days of powerful battery life

The scale interface offers richer interactions, displaying key data directly such as body fat percentage, heart rate, and battery level. It provides convenient and simple operation, and for more detailed reports, you can easily open the Mi Home app at any time to gain insights into your health status.

Weight scale surface display*, body fat percentage scale surface display, heart rate scale surface display, core indicators meet standards encouragement [10], low battery reminder, Bluetooth connection status.

*The scale surface unit can be adjusted through the app.

Supports Bluetooth™ gateway connection for automatic synchronization and real-time checking. The device can connect to a Bluetooth gateway[11], and after successful pairing, body fat measurements no longer require connecting to the phone every time. Measurement data is automatically saved and uploaded to the server. Simply open the app at any time to view the data.

[1] DEXA (Dual-Energy X-ray Absorptiometry): A dual-energy X-ray absorption measurement method recognized as the "gold standard" for body composition measurement in the industry. Widely used in hospitals, medical examinations, and other professional institutions. The correlation coefficient between body fat test data and DEXA, the closer to 1, indicates that the body fat scale measurement data is closer to DEXA, and the data is more accurate. DEXA involves minimal human radiation and is not recommended for pregnant women.

[2] Mi Body Fat Scale S400 correlation with DEXA measurement results is 0.93: Data is sourced from the "Verification and Precision Study Report of Mi Body Fat Scale S400 based on Dual-Energy X-ray Absorptiometry (DEXA)" by Dr. Meitao and the research team at Beijing Sport University's China Institute of Sport Science. Test report project number: BSU20220389.

[3] 25 Body Composition Analysis Report: Includes weight, heart rate, BM (Body Mass), body score, body water, body water volume, body fat percentage, fat mass, protein mass, protein ratio, muscle mass, muscle ratio, bone salt content, bone salt ratio, visceral fat level, basal metabolic rate, lean body weight, body type, estimated waist-to-hip ratio, body age, bone muscle mass, weight control, muscle control, fat control, standard weight. Connect to the Mi Home app to view the complete body composition report.

[4] Family Health Sharing: Supports users aged 6-80 to detect body weight, fat percentage, and other body composition metrics. For children under 6 and individuals over 80 with special physical conditions, only body weight measurement is supported. Due to the rapid growth of adolescents, the measurement data is for reference only.

[5] Supports storing information for 36 members: One device can be bound to one Xiaomi main account. The main account can use the device sharing function to share the device with up to 5 Xiaomi accounts. The main account and shared accounts can each create an additional 5 virtual users for shared use, allowing for a total storage of information for 36 users. Main accounts, shared accounts, and virtual accounts all support full data measurement. Users with weight differences within ±2kg may not be recognized and need to be claimed in the Mi Home app.

[6] Static Heart Rate Detection: Refers to the measurement of the number of heartbeats per minute in a quiet state without movement. Mi Body Fat Scale S400 performs static heart rate measurement after body fat measurement. The heart rate detection function is turned on by default and can be turned off in the Mi Home app on the device page> settings.

[7] Mode Switching: Only supported when the body fat scale is connected to the Mi Home app.

[8] Small Object Weighing: Weights in the range of 0-110g are considered small objects. The scale is accurate to 0.1kg or 0.2 pounds, with a starting weight of 0.1kg. When weighing small objects of 5kg or less, you need to wake up the scale first and wait for the display to show 0.0kg before measuring. Objects weighing more than 5kg can be weighed directly.

[9] 180 Days: Battery life data is sourced from Yunmai Lab and may vary in actual use due to product individual differences, usage habits, and environmental factors. Please refer to actual usage conditions. Test conditions for this product: Using 3 AAA batteries, in a 25°C environment, weighing 3 times a day, estimated 45 seconds per weighing, the longest battery life can reach 180 days.

[10] Core Indicator Encouragement: The "V" is displayed when weight, body fat, and heart rate fall within the standard range. If not within the standard range, the "V" is not displayed. Weight standards are determined by BM calculations, body fat standards are determined by algorithm calculations, and heart rate standards are based on the normal range of 60-100bpm. Weight and body fat standards require unique user matching before calculating and determining the standard range.

[11] Gateway Device: Requires a separate purchase. Supported gateway devices can be found in the Mi Home app> My> Product Encyclopedia> Gateway Guide.

Precautions

· Correct Measurement Method: It is recommended to wear lightweight clothing and perform tests at the same time and under the same conditions every day. Morning measurements on an empty stomach are suggested for more accurate data. Behaviors such as excessive water intake, eating, vigorous exercise, and deep washing can all affect measurement results. Following the product instructions for correct measurement can enhance the accuracy of the results.

· This product is not recommended for use by individuals with implanted medical devices (such as pacemakers, implanted hearing aids, etc.). The electrical current used in this product does not harm the human body, but caution is advised for pregnant women. If the user's body is in an uncomfortable state, such as fever, eye infections, gastrointestinal infections, etc., due to the special conditions of the body, there may be significant errors in measuring body composition indicators, and the results are for reference only.

· Weights under 10kg will be judged as small object weights and will not be saved. If weighing infants is necessary, please use the 'Hold Baby Weighing' mode on the APP to save the infant's weight.

· This product is not a medical device, and measurement data and results are for reference only. The provided health data and suggestions may vary under different conditions and should not be used as a basis for diagnosis and treatment.

· Due to real-time changes in product batches and production supply, the product images (including but not limited to appearance, color, product size), videos, and screen content (including but not limited to background, UI, user interface, illustrations, videos) on this page are for illustrative purposes only. To provide accurate product information, specifications, and features as much as possible, Xiaomi may improve the above content, and specific information should be referred to the actual product.

· Unless otherwise specified, the sizes, functions, performances, specifications, and other product information mentioned on this page are from Yunmai Lab, obtained in specific test environments, and may vary in actual use due to product differences.

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