Introduction
The INEVIFIT Smart Body Fat Scale (Model I-BF004W) is a highly accurate digital bathroom scale designed to provide a comprehensive analysis of your body composition. This device measures 8 key fitness metrics: Body Weight, Body Fat Percentage, Water, Muscle Mass, BMI, BMR, Bone Mass, and Visceral Fat. It connects via Bluetooth to a smartphone app, allowing you to track your progress and manage unlimited user profiles. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your scale to ensure optimal performance and accurate health tracking.
Product Overview
The INEVIFIT Smart Body Fat Scale features a sleek design with a durable tempered glass platform and a large LED display. Key components and features include:
- 6mm Tempered Glass Platform: Provides a strong and stable surface.
- 4 Stainless Steel Electrode Sensors: Used for bioelectrical impedance analysis to measure body composition metrics.
- Highly-Accurate Weight Sensors: Equipped with 3rd generation sensors and an upgraded chipset for precise measurements up to 400 lbs (180 kg).
- Large LED Display: Luminous display for clear weight readings.
- Anti-Slip Supports: Ensures stability and safety during use.
- Auto On/Off & Auto Calibration: For convenience and consistent measurements.

Figure 1: Diagram illustrating the key components of the INEVIFIT Smart Body Fat Scale, including the tempered glass platform, electrode sensors, LED display, and anti-slip supports.

Figure 2: The INEVIFIT Smart Body Fat Scale showing the 8 key body composition metrics it measures: Body Weight, BMI, BMR, Body Water, Visceral Fat, Muscle Mass, Body Fat, and Bone Mass.
Setup Instructions
- Install Batteries: Open the battery compartment on the underside of the scale and insert 3 AAA batteries, ensuring correct polarity.
- Place the Scale: Position the scale on a hard, flat surface. Avoid carpets or uneven flooring, as this can affect accuracy.
- Download the App: Download the INEVIFIT app from the Apple App Store or Google Play Store on your smartphone.
- Create a Profile: Open the INEVIFIT app and follow the on-screen instructions to create your user profile. The app supports unlimited user profiles.
- Pair via Bluetooth: Ensure Bluetooth is enabled on your smartphone. Step onto the scale to activate it. The app should automatically detect and pair with the scale. If not, follow the app's instructions for manual pairing.

Figure 3: The INEVIFIT app interface showing integration with popular health platforms like Google Fit, Apple Health, and Fitbit.
Operating Instructions
- Activate the Scale: Gently step onto the scale. The LED display will illuminate and show your weight.
- Take a Measurement: For full body composition analysis, ensure the INEVIFIT app is open on your smartphone and your profile is selected. Step onto the scale barefoot, ensuring your feet are positioned on the electrode sensors. Stand still until the measurement is complete and the app indicates that all data has been recorded.
- View Results: Your weight will be displayed on the scale's LED screen. All 8 body composition metrics will be sent to the INEVIFIT app on your smartphone for detailed viewing and tracking.
- Weight-Only Measurement: If you wish to only measure your weight without using the app, simply step on the scale with or without shoes. The scale will display your weight.

Figure 4: Proper foot placement on the INEVIFIT Smart Body Fat Scale for accurate body composition measurements.

Figure 5: The INEVIFIT app interface showing daily, weekly, and monthly progress tracking for various body metrics.
Maintenance
- Cleaning: Wipe the scale's surface with a soft, damp cloth. Do not use abrasive cleaners or immerse the scale in water.
- Battery Replacement: When the battery indicator appears on the display or the scale fails to power on, replace the 3 AAA batteries. Ensure the scale is off before replacing batteries.
- Storage: Store the scale in a cool, dry place. Avoid extreme temperatures and direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scale does not turn on. | Low or dead batteries; incorrect battery installation. | Replace batteries with new 3 AAA batteries, ensuring correct polarity. |
| Inaccurate weight readings. | Scale on uneven surface; scale not calibrated; movement during measurement. | Place scale on a hard, flat surface. Step on and off quickly to allow auto-calibration to zero. Stand still during measurement. |
| App not connecting to scale. | Bluetooth off; app not open; scale not active; interference. | Ensure Bluetooth is on. Open the INEVIFIT app. Step on the scale to activate it. Restart phone and app if necessary. |
| Body composition metrics not appearing in app. | Not standing barefoot on electrodes; app not connected; profile not selected. | Ensure you are barefoot and standing on all four electrode sensors. Verify app is connected and your profile is active. |
Specifications
| Feature | Detail |
|---|---|
| Brand | INEVIFIT |
| Model Number | I-BF004W |
| Color | White |
| Weight Limit | 400 Pounds (180 kg) |
| Readout Accuracy | 0.1 lbs or 0.05 kg |
| Display Type | LED |
| Material | Tempered Glass |
| Product Dimensions | 11 x 11 x 1 inches (28 x 28 x 2.54 cm) |
| Batteries | 3 AAA batteries (required) |
| Connectivity | Bluetooth |
| Body Metrics Tracked | Body Weight, Body Fat Percentage, Water, Muscle Mass, BMI, BMR, Bone Mass, Visceral Fat |
Warranty and Support
The INEVIFIT Smart Body Fat Scale comes with an industry-leading 5-year manufacturer's warranty. For any questions, technical assistance, or warranty claims, please contact INEVIFIT customer support. They offer 7-day real USA customer support.
Contact Information: Please refer to the INEVIFIT website or the contact details provided with your product packaging for the most current support information. You can also visit the INEVIFIT Store on Amazon for more information.





