Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your JeeJTek Smart Watch (Model OY22). Please read this manual thoroughly before using your device to ensure proper functionality and longevity.

Figure 1: JeeJTek Smart Watch (Model OY22)
What's in the Box
- JeeJTek Smart Watch (Model OY22)
- Charging Cable
- User Manual
Setup
1. Initial Charging
Before first use, fully charge your smartwatch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a compatible power adapter (not included) or a computer's USB port. A full charge typically takes approximately 1.5 hours.

Figure 2: Smart Watch Charging
2. App Installation and Pairing
To unlock the full features of your smartwatch, download and install the "Halofit" app on your smartphone.
- Scan the QR code in the manual or search for "Halofit" in the Apple App Store or Google Play Store.
- Enable Bluetooth on your smartphone.
- Open the "Halofit" app, register or log in, and follow the on-screen instructions to add your device.
- Select "OY22" or the corresponding device name from the list of available devices in the app to pair.

Figure 3: App Installation and Pairing Process
Operating Instructions
1. Basic Navigation
- Swipe Up/Down: Scroll through menus and notifications.
- Swipe Left/Right: Access quick functions or different data screens.
- Tap: Select an item or confirm an action.
- Side Button: Press to return to the home screen or wake the device.
2. Bluetooth Calling & Smart Notifications
The smartwatch features a built-in microphone and HD speaker, allowing you to make and receive calls directly from your wrist when connected to your smartphone via Bluetooth.
- Making a Call: Open the dialpad on the watch or select a contact from your synced phonebook to initiate a call.
- Answering a Call: When a call comes in, tap the green answer icon on the watch screen.
- Notifications: The watch will vibrate or ring to alert you of incoming messages, calls, and app notifications.
- Quick Reply (Android Only): For Android users, preset short replies can be sent directly from the watch for incoming messages. This function is not compatible with iOS.

Figure 4: Bluetooth Calls and Smart Notifications

Figure 5: Call Management on Smart Watch

Figure 6: Quick Reply Function
3. Health Monitoring
The smartwatch utilizes advanced sensors to monitor various health metrics. All recorded data can be synced to the "Halofit" app for detailed analysis.
- Heart Rate Monitor: Provides continuous heart rate tracking throughout the day.
- Blood Oxygen (SpO2) Monitor: Measures your blood oxygen saturation levels.
- Sleep Monitor: Tracks your sleep quality and patterns during the night and even naps.
- Stress Monitor: Monitors your stress levels and provides insights.
- Female Cycle Tracker: Helps track and predict menstrual and fertility cycles.
Note: Health monitoring data is for reference only and should not be used for medical diagnosis or treatment.

Figure 7: All-Day Activity and Health Tracking
4. Sports Modes
The watch supports over 100 sports modes to help you track your workouts accurately. Receive real-time stats on your wrist and record them in the "Halofit" app.
- Includes modes for walking, running, cycling, hiking, yoga, football, strength training, and more.
- The watch can automatically recognize certain activities like outdoor running, outdoor walking, and treadmill use, suggesting the corresponding exercise mode.

Figure 8: 100+ Sports Modes
5. Customizing Watch Faces
Personalize your smartwatch with a variety of watch faces. You can choose from over 100 pre-designed dials or upload your favorite photos to create a custom watch face.
6. Other Functions
The smartwatch includes several utility features for daily convenience:
- AI Voice Assistant: Use voice commands for inquiries, music control, setting alarms, and more.
- Music Control: Control music playback on your phone directly from the watch.
- Camera Control: Remotely trigger your phone's camera.
- Weather Forecast: Get real-time weather updates.
- Alarm Clock: Set alarms to wake you up or remind you of tasks.
- Stopwatch & Timer: For precise time measurement.
- Calculator: Perform basic calculations on your wrist.
- Games: Enjoy simple puzzle games.
- Find Your Phone: Locate your misplaced phone by making it ring.
- Sedentary Reminder: Get alerts to move after periods of inactivity.
- Rehydration Reminder: Reminders to drink water throughout the day.

Figure 9: AI Voice Assistant Feature
Maintenance
1. Charging
Charge the watch when the battery is low. Avoid overcharging to prolong battery life. Use the provided charging cable only.
2. Cleaning
Regularly clean your smartwatch and strap to prevent skin irritation and maintain hygiene. Use a soft, dry cloth. If necessary, slightly dampen the cloth with water. Do not use harsh chemicals or abrasive materials.
3. Water Resistance (IP68)
The JeeJTek Smart Watch is IP68 waterproof, meaning it can withstand splashes, sweat, and rain. It is suitable for daily activities like washing hands or face. However, it is not suitable for long-term immersion in water, hot showers, saunas, or diving. Exposure to saltwater should be avoided as it can damage the device.

Figure 10: IP68 Water Resistance
Troubleshooting
- Watch not turning on: Ensure the watch is fully charged. If it still doesn't turn on, try a hard reset by pressing and holding the side button for 10-15 seconds.
- Cannot pair with phone: Make sure Bluetooth is enabled on your phone and the watch is within range. Restart both the watch and your phone. Ensure the "Halofit" app is updated to the latest version.
- Inaccurate Heart Rate/Sleep Monitoring: Ensure the watch is worn snugly on your wrist, not too loose or too tight. Clean the sensor on the back of the watch. Note that these are not medical devices and readings are for reference.
- Notifications not received: Check app notification settings in the "Halofit" app and your phone's system settings to ensure permissions are granted. Ensure the watch is connected via Bluetooth.
- Short battery life: Reduce screen brightness, disable unnecessary features like continuous heart rate monitoring if not needed, and ensure the watch is fully charged.
- Bluetooth calling issues: Ensure the watch is properly connected for both data and call audio (check Bluetooth settings on your phone). Keep your phone within the Bluetooth range (8-10 meters).
Specifications
| Feature | Detail |
|---|---|
| Model Number | OY22 |
| Screen Size | 1.83 Inches |
| Battery Capacity | 300 mAh |
| Typical Usage Battery Life | Up to 10 Days |
| Standby Time | Up to 30 Days |
| Charging Time | Approx. 1.5 Hours |
| Water Resistance | IP68 |
| Connectivity | Bluetooth 5.3 |
| Operating System | RTOS |
| Item Weight | 3.52 ounces |
| Package Dimensions | 7.56 x 3.7 x 0.67 inches |
Warranty and Support
JeeJTek offers a 12-month quality assurance for this product. If you encounter any quality problems, operational issues, or charging difficulties, please contact our customer support team. We are committed to providing a solution within 24 hours.
For support, please refer to the contact information provided with your purchase or visit the official JeeJTek website.