Introduction
This manual provides comprehensive instructions for the Fastrack Reflex Charge Smartwatch. It covers initial setup, operational guidance, maintenance tips, troubleshooting common issues, and detailed product specifications. Please read this manual thoroughly to ensure proper use and longevity of your device.
The Fastrack Reflex Charge features a 1.83-inch UltraVU Display with 500 nits brightness, SingleSync Bluetooth Calling, over 100 multi-sport modes, sleep monitoring including REM sleep, stress monitoring, 24/7 heart rate monitoring, SpO2 tracking, and IP68 water resistance. It offers up to 5 days of battery life.
Setup Guide
1. Charging the Smartwatch
Before first use, fully charge your Fastrack Reflex Charge smartwatch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port.

Image: Rear view of the Fastrack Reflex Charge Smartwatch, highlighting the magnetic charging pins and health sensors.
- Ensure the charging pins are clean and dry before connecting.
- A full charge typically takes approximately 2 hours.
- The watch display will indicate charging status.
2. Pairing with Your Smartphone
- Download the App: Search for and download the official Fastrack Reflex app from your smartphone's app store (Google Play Store for Android or Apple App Store for iOS).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open the App: Launch the Fastrack Reflex app and follow the on-screen instructions to create an account or log in.
- Add Device: In the app, select "Add Device" or a similar option. The app will search for nearby Fastrack devices.
- Select Your Watch: Choose "Fastrack Reflex Charge" from the list of discovered devices.
- Confirm Pairing: A pairing request will appear on both your phone and the smartwatch. Confirm the pairing on both devices.
- Complete Setup: Follow any remaining prompts in the app to complete your profile and synchronize data.
Operating Instructions
Basic Navigation

Image: Front view of the Fastrack Reflex Charge Smartwatch, showing the display with the Fastrack logo and a watch face.
- Touchscreen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Button: Press the side button to wake the screen, return to the home screen, or access the app menu.
Key Features
The Fastrack Reflex Charge offers a variety of functions to enhance your daily life and fitness tracking.
- Bluetooth Calling (SingleSync):
Once paired, you can make and receive calls directly from your smartwatch. Access the call log or dial pad from the watch interface.
- Health Monitoring:
- Heart Rate Monitor (HRM): The watch continuously tracks your heart rate. View real-time data on the watch or detailed trends in the app.
- SpO2 Monitor: Measure your blood oxygen saturation levels. Ensure the watch is snug on your wrist for accurate readings.
- Sleep Monitor: Tracks your sleep patterns, including light, deep, and REM sleep. Review your sleep quality in the app.
- Stress Monitor: Provides insights into your stress levels throughout the day.
- Multi-Sport Modes:
Select from over 100 sports modes to track your workouts. The watch records data such as duration, calories burned, and heart rate during exercise.

Image: The Fastrack Reflex Charge Smartwatch screen showing active workout tracking data.
- Notifications:
Receive notifications for calls, messages, and app alerts directly on your wrist. Manage notification settings through the Fastrack Reflex app.
- Watch Faces:
Customize your watch face from a variety of options available on the watch or through the app.

Image: The Fastrack Reflex Charge Smartwatch displaying a colorful watch face with current time and date.
Maintenance and Care
- Cleaning: Regularly clean your smartwatch and strap with a soft, dry, lint-free cloth. If necessary, use a slightly damp cloth with mild soap, then rinse and dry thoroughly.
- Water Resistance: The Fastrack Reflex Charge is IP68 water resistant. This means it is protected against dust and can withstand immersion in water up to 1.5 meters for up to 30 minutes. It is suitable for daily use and light water activities, but not recommended for swimming or diving.
- Avoid Chemicals: Do not expose the watch to harsh chemicals, detergents, or solvents, as these can damage the materials and seals.
- Temperature: Avoid extreme temperatures, both hot and cold, as they can affect battery life and device performance.
- Charging Contacts: Keep the charging contacts on the back of the watch clean and free from debris to ensure proper charging.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Watch not turning on | Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes. |
| Cannot pair with smartphone |
|
| Inaccurate health data |
|
| Notifications not appearing |
|
| Short battery life |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | WFT38083PP06 |
| Display | 1.83-inch UltraVU Full Color Display, 500 nits Brightness |
| Connectivity | SingleSync Bluetooth Calling |
| Health Tracking | 24/7 Heart Rate Monitor, SpO2, Sleep Monitor (with REM Sleep), Stress Monitor |
| Sports Modes | 100+ Multi-Sport Modes |
| Water Resistance | IP68 |
| Battery Life | Up to 5 days (typical usage) |
| Case Material | Polycarbonate |
| Band Material | Silicone |
| Dimensions (approx.) | 50.8 x 37.9 x 10.6 mm |
| Weight (approx.) | 1 kg |
Warranty and Support
Your Fastrack Reflex Charge Smartwatch comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers manufacturing defects under normal use conditions.
For warranty claims, technical support, or service inquiries, please contact Fastrack customer service. You may find contact details on the official Fastrack website or through the Fastrack Reflex app.
Please retain your proof of purchase for warranty validation.
For more information, visit the official Fastrack Store on Amazon.





