Introduction
Thank you for choosing the ETA Vital Fit Digital Smart Scale. This analytical scale is designed to help you monitor your body composition with precision and convenience. By connecting to the Vital Body Plus application on your smartphone, you can track up to 18 body parameters, providing a comprehensive overview of your health and fitness journey. Please read this manual carefully before use to ensure proper operation and to maximize the benefits of your new scale.
Safety Information
- Always place the scale on a hard, flat surface for accurate measurements. Avoid carpets or uneven floors.
- The scale surface is made of glass. Handle with care to prevent breakage. Do not jump on the scale.
- Keep the scale dry. Avoid contact with water or other liquids.
- This device is not intended for medical diagnosis or treatment. Consult a healthcare professional for medical advice.
- Individuals with pacemakers or other implanted medical devices should avoid using this scale, as it uses Bioelectrical Impedance Analysis (BIA) technology.
- Pregnant women should consult their doctor before using the scale for body composition analysis, as BIA readings may not be accurate.
- Keep batteries out of reach of children. If swallowed, seek immediate medical attention.
Package Contents
- ETA Vital Fit Digital Smart Scale
- 3 x AAA Batteries
- Instruction Manual
Setup
1. Battery Installation
- Turn the scale over to access the battery compartment on the underside.
- Open the battery compartment cover.
- Insert 3 AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.

Image: Bottom view of the ETA Vital Fit scale, highlighting the battery compartment and non-slip feet.
2. Scale Placement
Place the scale on a hard, flat, and stable surface. Avoid placing it on carpets, rugs, or uneven flooring, as this can affect measurement accuracy.
3. App Download and Pairing
- Download the Vital Body Plus application from your smartphone's app store (Google Play Store for Android or Apple App Store for iOS).
- Ensure Bluetooth is enabled on your smartphone.
- Open the Vital Body Plus app and follow the on-screen instructions to create your user profile. You will need to enter personal details such as height, age, and gender for accurate body composition analysis.
- Step onto the scale barefoot. The scale will automatically turn on and attempt to pair with the app via Bluetooth. Once connected, your measurements will be transferred to the app.

Image: The ETA Vital Fit scale next to a smartphone showing the Vital Body Plus app, illustrating the connectivity.
Operating Instructions
Taking a Measurement
- Place the scale on a firm, flat surface.
- Step onto the scale barefoot, ensuring your feet are positioned on the metal electrodes. Stand still.
- The scale display will show your weight. If connected to the app, the full body composition analysis will be performed and data transferred.
- Step off the scale. The display will turn off automatically after a few seconds.

Image: Top view of the ETA Vital Fit scale, showing the digital display with a weight measurement.
Understanding the Display
The scale's integrated display shows your weight in kilograms (kg). It may also indicate Bluetooth connectivity status. For detailed body composition data, refer to the Vital Body Plus app.

Image: Close-up of the scale's display, showing a weight reading and the Bluetooth symbol, indicating active connection.
Vital Body Plus App
The Vital Body Plus app is your central hub for tracking and analyzing your health data. It provides a comprehensive breakdown of up to 18 body parameters, including:
- Weight
- Body Mass Index (BMI)
- Body Fat Percentage
- Muscle Mass
- Body Water Percentage
- Bone Mass
- Visceral Fat
- Basal Metabolic Rate (BMR)
- Metabolic Age
- Protein Percentage
- Subcutaneous Fat
- And more...
App Features:
- Historical Data & Graphs: View your progress over time with intuitive charts and graphs.
- Multiple User Profiles: Create profiles for family members to track their individual data.
- Data Synchronization: Seamlessly sync your data with popular health platforms like Google Fit, Apple Health, and Fitbit.
- Data Sharing: Share your progress with friends, family, or healthcare professionals.

Image: Multiple screenshots of the Vital Body Plus app interface, demonstrating its various features for tracking body parameters and progress.
Maintenance
Cleaning
To clean the scale, wipe the surface with a slightly damp cloth. Do not use abrasive cleaners, harsh chemicals, or immerse the scale in water. Ensure the scale is completely dry before storage or next use.
Storage
Store the scale in a cool, dry place away from direct sunlight and extreme temperatures. If the scale will not be used for an extended period, it is recommended to remove the batteries to prevent leakage.
Troubleshooting
- No Display: Check if the batteries are correctly installed and not depleted. Replace batteries if necessary.
- Inaccurate Readings: Ensure the scale is on a hard, flat surface. Avoid moving the scale between measurements. Step on the scale barefoot and stand still.
- App Not Connecting: Make sure Bluetooth is enabled on your smartphone and the Vital Body Plus app is open. Ensure the scale is within range of your phone. Try restarting both the app and your phone.
- Body Composition Data Not Showing: Ensure you are stepping on the scale barefoot and your feet are making good contact with the electrodes. Verify your user profile in the app is complete with accurate personal information.
- Low Battery Alert: The scale will indicate when batteries are low. Replace all 3 AAA batteries promptly.
Specifications
| Feature | Specification |
|---|---|
| Model Number | ETA678190000 |
| Brand | ETA |
| Dimensions (L x W x H) | 30 x 30 x 2.5 cm |
| Weight | 1 kilogram |
| Material | Glass (6mm robust glass) |
| Weight Limit | 180 Kilograms |
| Reading Precision | 100 g |
| Display Type | Digital (Touch screen functionality mentioned in original, but likely refers to app interaction) |
| Special Feature | Smart Body Analysis |
| Connectivity | Energy-saving wireless technology (Bluetooth) |
| Power Source | 3 x AAA Batteries |
| Recommended Use | Adult |
Warranty and Support
The ETA Vital Fit Digital Smart Scale comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including the warranty period and coverage details.
For technical support, troubleshooting assistance, or warranty claims, please contact the retailer where you purchased the product or visit the official ETA website for customer service contact information. When contacting support, please have your model number (ETA678190000) and proof of purchase readily available.





