Introduction
Welcome to the user manual for your BIGGERFIVE Slim Kids Fitness Tracker Watch. This device is designed to help children and teens monitor their daily activity, sleep patterns, and more, promoting a healthy and active lifestyle. Please read this manual carefully to ensure proper use and maintenance of your device.

The BIGGERFIVE Slim Kids Fitness Tracker Watch, featuring a sleek design and dual bands in lilac and pink.
Product Features
- Comfortable & Safe Design: Slim, adjustable, made of flexible and durable TPU material, weighing only 17 grams. Suitable for kids 5+.
- All-Day Activity Tracking: Automatically tracks steps, distance, and calories burned. Data accessible via display or "VeryFitPro" app.
- Sleep Tracker & Alarm Clock: Monitors sleep trends and includes a silent vibration alarm.
- Built-in USB Design & Long Battery Life: Charges easily via any USB adapter. Up to 7 days battery life on a 1-2 hour charge.
- Smartphone Compatibility: Works with the free "VeryFitPro" app on most smartphones.

Overview of BIGGERFIVE fitness tracker features including step counter, sleep monitor, alarm clock, calories counter, IP67 waterproof rating, and sedentary reminder, shown with a child on a tennis court.
Setup Guide
Charging the Device
Before first use, fully charge your fitness tracker.
- Remove the strap to reveal the built-in USB plug.
- Insert the USB plug into any standard USB 2.0 port (e.g., computer, USB wall adapter).
- The charging indicator will light up. If not, flip the charging port over.
- A full charge takes 1-2 hours and provides up to 7 days of battery life.

Diagram illustrating the built-in USB charging method for the fitness tracker. The correct way shows the tracker plugged directly into a USB port, while the incorrect way shows it upside down.
App Installation and Pairing
The BIGGERFIVE fitness tracker requires the "VeryFitPro" app for full functionality and data synchronization.
- Download "VeryFitPro" from your smartphone's app store (iOS or Android).
- Enable Bluetooth on your smartphone.
- Open the "VeryFitPro" app and follow the on-screen instructions to create an account or log in.
- Tap "Device" -> "Bind Device" to search for your tracker.
- Select "ID115U" from the list of found devices to pair.
- Once paired, the tracker's time and date will automatically synchronize with your phone.
Operating Instructions
Navigating the Display
The tracker features a single touch button for navigation.
- Short Press: Cycle through different display modes (Time, Steps, Distance, Calories, Active Minutes, Sleep).
- Long Press: Activate specific functions within a mode (e.g., start/stop an activity, confirm a setting).
Activity Tracking
The tracker automatically records your child's steps, distance, and calories burned throughout the day.

Two children running on a beach, illustrating the fitness tracker's ability to track mileage, calories, and steps.

Two children playing soccer, demonstrating active use of the fitness tracker for tracking calories, steps, and distance.
Sleep Monitoring
Wear the tracker to bed, and it will automatically monitor sleep patterns, including deep sleep, light sleep, and awake times. View detailed sleep data in the "VeryFitPro" app.

A young girl sleeping with the fitness tracker on her wrist, highlighting the sleep monitor feature and alarm clock function.

A young girl sleeping, with an icon indicating the sleep monitor function.
Alarm Clock
Set up to 10 silent vibration alarms through the "VeryFitPro" app. The tracker will vibrate gently to wake your child without disturbing others.

Two children in a kitchen setting, with an alarm clock icon, indicating the alarm function of the fitness tracker.
Sedentary Reminder
Configure sedentary reminders in the app to encourage movement after periods of inactivity.

A young girl studying at a desk, with an icon representing the sedentary reminder feature of the fitness tracker.
Waterproof Feature
The tracker is IP67 waterproof, meaning it is resistant to splashes, rain, and brief immersion. It is suitable for daily use but not recommended for swimming or showering.

A young girl playing with a water gun, with a water drop icon indicating the waterproof feature of the fitness tracker.
Maintenance and Care
- Clean the tracker regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive cleaners.
- Ensure the charging contacts are clean and dry before charging.
- Store the device in a cool, dry place when not in use.

Two boys playing with building blocks, representing the general daily use and durability of the fitness tracker.
Strap Adjustment and Replacement
The strap is adjustable to fit wrist sizes from 5.1 to 7.5 inches. To adjust, use the buckle. To replace, gently pull the strap from the tracker module.

Diagram showing the adjustable slim strap of the fitness tracker, indicating wrist sizes from 5.1 to 7.5 inches, suitable for kids 5+.
Troubleshooting
Device Not Turning On/Charging
- Ensure the USB plug is inserted correctly into a working USB port. Try flipping it over.
- Check if the USB port is providing power.
- Allow the device to charge for at least 10 minutes before attempting to turn it on.
Not Syncing with App
- Ensure Bluetooth is enabled on your smartphone.
- Make sure the tracker is within Bluetooth range of your phone.
- Restart the "VeryFitPro" app.
- Restart your smartphone.
- Unpair and re-pair the device in the app's settings.
Inaccurate Step Count
- Ensure the tracker is worn snugly on the wrist.
- Arm movements during non-walking activities (e.g., typing) may sometimes be counted as steps.
- Calibrate the tracker through the app if available.
Screen Unresponsive
- Try charging the device.
- If the issue persists, contact customer support.
For more detailed troubleshooting, refer to the official Troubleshooting Guide (PDF) available on the product page.
Product Specifications
| Feature | Detail |
|---|---|
| Brand Name | BIGGERFIVE |
| Model Name | ID115U |
| Color | Lilac Pink (other colors may be available) |
| Material | TPU |
| Item Weight | 17 Grams |
| Item Dimensions (LxWxH) | 8.3 x 0.6 x 0.35 inches |
| Standing Screen Display Size | 0.96 Inches |
| Connectivity Technology | Bluetooth |
| Battery Life | Up to 7 days |
| Charging Time | 1-2 hours |
| Water Resistance | IP67 |
| Included Components | Fitness tracker |
Warranty and Support
The BIGGERFIVE Slim Kids Fitness Tracker Watch comes with a 12-month warranty covering manufacturing defects.
For warranty claims, technical support, or any inquiries, please contact BIGGERFIVE customer service through the retailer where you purchased the product or visit the official BIGGERFIVE store online:
Visit the Official BIGGERFIVE Store
Please retain your proof of purchase for warranty purposes.





