1. Introduction
Welcome to the MEGALITH Smart Watch i118 user manual. This guide provides detailed instructions on how to set up, operate, and maintain your new smartwatch. Please read this manual carefully before using the device to ensure optimal performance and longevity.
Package Contents:
- 1 x MEGALITH Smart Watch i118
- 3 x Watch Straps (Stainless Steel, Silicone, Rubber)
- 1 x Strap Adjustment Tool
- 1 x Charging Cable
- 1 x User Manual

Image: The MEGALITH Smart Watch i118 displayed with its three interchangeable strap options: stainless steel, silicone, and leather. The watch face shows time, date, steps, and heart rate.
2. Setup
2.1 Charging the Smart Watch
Before first use, fully charge your smartwatch. Connect the charging cable to the charging port on the back of the watch and plug the other end into a USB power adapter (not included). A full charge typically takes 2 to 3 hours and provides 5 to 10 days of usage or 15 to 30 days of standby time.
2.2 App Installation and Pairing
- Download the Companion App: Search for the official MEGALITH companion app on your smartphone's app store (Google Play Store for Android or Apple App Store for iOS). Install the app.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open the App and Pair: Open the installed app, create an account if prompted, and follow the on-screen instructions to search for and connect to your MEGALITH Smart Watch i118. The watch uses Bluetooth 5.0 for connection.
- Grant Permissions: Allow necessary permissions (e.g., notifications, location, health data) for the app to function correctly.
3. Operating the Smart Watch
3.1 Basic Navigation
The MEGALITH Smart Watch i118 features a 1.52-inch HD touchscreen for intuitive navigation. Swipe left, right, up, or down to access different functions and menus. Press the physical buttons on the side for specific actions like returning to the home screen or accessing quick settings.
3.2 Bluetooth Calls and Notifications
Once paired with your smartphone, the watch allows you to receive and make calls directly from your wrist. You will also receive real-time notifications from various apps (e.g., WhatsApp, Instagram, Twitter) directly on your watch display.

Image: A close-up of the smartwatch displaying an incoming call and a message notification. Various social media and communication app icons are shown above, indicating notification support.
3.3 Health Monitoring
The watch provides comprehensive 24/7 health monitoring features:
- Heart Rate: Continuously monitors your heart rate throughout the day.
- Blood Pressure: Measures your blood pressure levels.
- Blood Oxygen (SpO2): Tracks your blood oxygen saturation.
- Sleep Tracking: Analyzes your sleep patterns, distinguishing between deep and light sleep stages.
- Stress Level: Monitors and provides insights into your stress levels.
Note: This device is not a medical device. Health data provided is for reference only and should not be used for medical diagnosis or treatment.
Image: Three panels illustrating the health monitoring capabilities of the smartwatch. The first shows heart rate data during exercise, the second displays sleep duration and quality, and the third indicates blood oxygen levels.
3.4 Sport Modes
The MEGALITH Smart Watch i118 supports over 100 sport modes to help you track your fitness activities. It records detailed data such as calories burned, steps taken, exercise time, and distance covered for various workouts.
Image: A visual representation of the smartwatch's 100+ sport modes, showing various activity icons like running, cycling, and swimming. The image also highlights tracked metrics such as steps, calories, and distance.
3.5 Customizable Watch Faces
The 1.52-inch HD display offers clear and vibrant visuals. You can choose from over 300 customizable watch faces to match your style or mood. Many watch faces allow for personalization through the companion app.
Image: A collection of diverse watch faces displayed on the smartwatch, demonstrating the variety of styles available. An illustration of the companion app interface shows how users can customize and apply new watch faces.
3.6 Other Functions
The smartwatch is equipped with additional features including music control, weather updates, and remote camera control for your smartphone.
4. Maintenance
4.1 Cleaning
To keep your smartwatch clean, gently wipe the screen and body with a soft, dry cloth. For stubborn smudges, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
4.2 Water Resistance
The MEGALITH Smart Watch i118 is IP67 waterproof, meaning it is resistant to dust and can withstand immersion in water up to 1 meter for 30 minutes. It is suitable for daily use, such as hand washing or light rain. However, it is not recommended for swimming, diving, or hot showers, as steam and high water pressure can compromise the seals.
5. Troubleshooting
If you encounter any issues with your MEGALITH Smart Watch i118, please refer to the following common solutions:
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charging cable and allow it to charge for at least 30 minutes before attempting to power it on again.
- Bluetooth connection issues: Make sure Bluetooth is enabled on your phone and the watch. Restart both devices and try pairing again through the companion app. Ensure the watch is within the Bluetooth range of your phone.
- Inaccurate health readings: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensor on the back of the watch. Environmental factors and movement can affect accuracy.
- Notifications not appearing: Check the app permissions on your phone to ensure the companion app has access to notifications. Verify that notifications are enabled within the watch's settings and the companion app.
- Short battery life: Reduce screen brightness, disable unnecessary features, and limit continuous heart rate monitoring if not required. Ensure the watch is fully charged each time.
For further assistance, please contact customer support.
6. Specifications
Image: A diagram illustrating the MEGALITH Smart Watch i118's dimensions (48mm case diameter, 22mm strap width) and battery specifications (500mAh capacity, 5-10 days use, 15-30 days standby).
| Feature | Detail |
|---|---|
| Brand | MEGALITH |
| Model Name | Smart Watch i118 |
| Display Size | 1.52 Inches |
| Display Resolution | 360 x 360 Pixels (326 PPI HD Display) |
| Connectivity Technology | Bluetooth 5.0 |
| Compatible Devices | Smartphones (Android, iOS) |
| Operating System | Wear OS (implied by product data, general OS for smartwatches) |
| Battery Composition | Lithium-polymer |
| Battery Capacity | 500 mAh |
| Usage Time | 5-10 Days (typical use) |
| Standby Time | 15-30 Days |
| Water Resistance | IP67 |
| GPS | No GPS |
| Shape | Round |
| Case Diameter | 48 mm |
| Case Thickness | 14.5 mm |
| Strap Width | 22 mm |
7. Warranty and Support
Your MEGALITH Smart Watch i118 comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package or contact the seller for specific details regarding warranty coverage and duration.
For technical support, product inquiries, or warranty claims, please contact MEGALITH customer service through the contact information provided on the product packaging or the official MEGALITH website.