1. Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your Fastrack Limitless XR1 Smart Watch. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize your user experience.
The Fastrack Limitless XR1 features a 1.38-inch UltraVU Display, SingleSync Bluetooth Calling, a comprehensive health suite, and over 100 sports modes. It also includes a calculator, AI voice assistant, and offers up to 5 days of battery life.
2. Package Contents
- Fastrack Limitless XR1 Smart Watch
- Charging Cable
- User Manual (this document)
3. Setup
3.1 Charging the Smart Watch
Before initial use, fully charge your Fastrack Limitless XR1 Smart Watch. Connect the provided charging cable to the charging port on the back of the watch and plug the USB end into a standard USB power adapter (not included) or a computer's USB port. The watch display will indicate charging status.
3.2 Pairing with Your Smartphone
- Download the Fastrack Reflex World app from your smartphone's app store (available for Android and iOS devices).
- Ensure Bluetooth is enabled on your smartphone.
- Open the Fastrack Reflex World app and follow the on-screen instructions to create an account or log in.
- Select 'Add Device' or 'Pair New Device' within the app.
- The app will search for your Fastrack Limitless XR1. Select your watch from the list of available devices.
- Confirm the pairing request on both your watch and smartphone.
Once paired, the watch will synchronize data with your phone, and you can customize settings through the app.
4. Operating Instructions
4.1 Display and Navigation

The 1.38-inch UltraVU HD Display offers clear visuals for time, notifications, and health data.
The Fastrack Limitless XR1 features a 1.38-inch UltraVU Display with bright pixel resolution. Navigate the watch interface by swiping left, right, up, or down on the touchscreen. Press the physical button on the side to return to the home screen or access the app menu.
4.2 SingleSync Bluetooth Calling

The watch screen shows an incoming call, demonstrating the SingleSync BT Calling feature.
With SingleSync BT Calling, you can make and receive calls directly from your watch. Ensure your watch is connected to your smartphone via Bluetooth. To answer a call, tap the green icon on the watch screen. To reject, tap the red icon. You can also access your phone's contacts and dial numbers from the watch.
4.3 AI Voice Assistant
Activate the AI Voice Assistant on your watch to perform various tasks using voice commands, such as setting alarms, checking weather, or initiating calls. Refer to the app for specific voice commands and setup.
4.4 Notifications
Receive notifications for calls, messages, and app alerts directly on your watch. Customize which app notifications appear on your watch through the Fastrack Reflex World app.
5. Health Monitoring Features

The watch screen shows various health metrics including Heart Rate, SpO2, and Stress, accessible via one-click measurement.
The Fastrack Limitless XR1 Smart Watch is equipped with a comprehensive health suite to help you monitor your well-being.
- 24x7 Heart Rate Monitor: Continuously tracks your heart rate throughout the day.
- SpO2 Monitor: Measures your blood oxygen saturation levels.
- Sleep Monitor with REM Sleep: Analyzes your sleep patterns, including light, deep, and REM sleep stages.
- Auto Stress Monitor: Automatically tracks your stress levels.
- Breathe Exercise: Guides you through breathing exercises to help reduce stress.
- One-Click Health Measurement: Quickly access multiple health metrics with a single tap.
6. Smart Features

An overview of the various smart features available on the Fastrack Limitless XR1 Smart Watch.

The watch interface displaying built-in games, AI voice assistant, and calculator functions.
Beyond health and fitness tracking, the Fastrack Limitless XR1 offers several smart functionalities:
- Calculator: Perform basic arithmetic calculations directly on your wrist.
- AI Voice Assistant: Interact with your watch using voice commands.
- Music Control: Control music playback on your connected smartphone (play, pause, skip tracks).
- Camera Control: Use your watch as a remote shutter for your smartphone's camera.
- Alarm, Stopwatch, Timer: Essential time management tools.
- Weather Display: Get real-time weather updates.
7. Sports Modes

The watch interface showcasing the selection of over 100 sports modes, with a running activity in progress.
The Fastrack Limitless XR1 supports over 100 sports modes, including cycling, running, and walking. Select your desired activity from the watch's sports menu to track specific metrics such as duration, heart rate, and calories burned. Data from your workouts will be synchronized with the Fastrack Reflex World app for detailed analysis.
8. Maintenance
8.1 Cleaning Your Smart Watch
Regularly clean your watch and band to prevent skin irritation and maintain device performance. Use a soft, lint-free cloth to wipe the screen and watch body. For the silicone band, you can use a mild soap solution and rinse thoroughly, ensuring the watch body does not get exposed to excessive water pressure.
8.2 Water Resistance
The Fastrack Limitless XR1 Smart Watch has an IP68 waterproof rating, meaning it is resistant to dust and can withstand immersion in water up to 1.5 meters for 30 minutes. It is suitable for daily use and activities like swimming. However, it is not recommended for diving or high-pressure water activities.
8.3 Battery Care
To prolong battery life, avoid exposing the watch to extreme temperatures. Charge the watch using only the provided charging cable. If the watch will not be used for an extended period, charge it to approximately 50% before storing.
9. Troubleshooting
9.1 Watch Not Turning On
- Ensure the watch is fully charged. Connect it to the charging cable for at least 30 minutes.
- Press and hold the side button for 10-15 seconds to attempt a force restart.
9.2 Pairing Issues
- Ensure Bluetooth is enabled on your smartphone and the watch is within range.
- Restart both your smartphone and the watch.
- Forget the device from your smartphone's Bluetooth settings and attempt to pair again through the Fastrack Reflex World app.
- Ensure the Fastrack Reflex World app is updated to the latest version.
9.3 Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, about one finger's width above your wrist bone.
- Keep the sensor on the back of the watch clean and free from debris.
- Avoid excessive movement during measurements for best accuracy.
10. Specifications
| Feature | Specification |
|---|---|
| Model Number | 38088PP03K |
| Display | 1.38-inch UltraVU Display |
| Resolution | 240 x 280 pixels |
| Connectivity | Bluetooth |
| Battery Type | Lithium Polymer |
| Battery Life (Average) | Up to 5 Days |
| Waterproof Rating | IP68 |
| Item Weight | 45 Grams |
| Case Material | Polycarbonate (PC) |
| Band Material | Silicone |
| Compatible Devices | Smartphones (Android, iOS) |
| Included Components | Charging Cable |
11. Warranty and Support
11.1 Warranty Information
The Fastrack Limitless XR1 Smart Watch comes with a 1-year limited warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase for warranty claims.
11.2 Manufacturer and Importer
Imported by Titan Company Limited, 3 Sipcot Industries complex, Hosur- 635126.
11.3 Customer Support
For further assistance, troubleshooting, or warranty claims, please contact Fastrack customer support or visit the official Fastrack website. You can also refer to the Fastrack store on Amazon for additional product information: Fastrack Store.





