1. Important Safety Information
Please read all instructions carefully before using this product. Keep this manual for future reference.
- Do not block ventilation openings. Ensure adequate airflow around the projector.
- Do not expose the projector to rain or moisture to prevent fire or electric shock.
- Use only attachments/accessories specified by the manufacturer.
- Unplug the projector during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel.
2. Package Contents
Verify that all items are present in your package:
- WEWATCH S3 4K Portable Projector
- Remote Control
- Power Cable
- HDMI Cable
- User Manual
3. Product Overview
Familiarize yourself with the components and ports of your WEWATCH S3 projector.

Image: Front-side view of the WEWATCH S3 4K Portable Projector, showcasing its sleek design and lens.
3.1. Ports and Connections
The projector features various ports for versatile connectivity:

Image: Rear view of the WEWATCH S3 projector, highlighting its various input and output ports including LAN, USB, HDMI, and audio jacks.
- LAN (x1): For wired network connection.
- USB (x2): For connecting USB drives or other USB devices.
- HDMI (x2): For connecting external devices like laptops, gaming consoles, or streaming sticks.
- AU (Audio Out x1): For connecting external audio devices.
- AX (Audio In x1): For audio input.
4. Setup
Follow these steps to set up your projector for the first time:
- Placement: Place the projector on a stable, flat surface or mount it securely. Ensure it is positioned to project onto a suitable screen or wall.
- Power Connection: Connect the power cable to the projector's power input and then to a power outlet.
- Power On: Press the power button on the projector or the remote control to turn on the device.

Image: The WEWATCH S3 projector set up in a living room environment, projecting an image onto a screen, demonstrating typical home usage.
5. Operating Instructions
5.1. Android TV Operating System
The WEWATCH S3 features an integrated Android TV system, providing direct access to popular streaming applications.

Image: A person using the remote control to navigate the Android TV interface projected onto a large screen, showing various streaming app icons like Prime Video, YouTube, and Netflix.
- Navigation: Use the remote control's directional buttons and OK button to navigate the Android TV interface.
- App Usage: For optimal experience with certain applications (e.g., Netflix, YouTube), it is recommended to switch the remote control to mouse mode. After using the application, switch back to normal mode.
6. Connectivity
6.1. Wi-Fi Connection (2.4G + 5G)
Connect your projector to a wireless network for internet access and screen mirroring.
- Navigate to the Wi-Fi settings in the Android TV menu.
- Select your desired network and enter the password.
- The projector supports both 2.4G and 5G Wi-Fi bands for fast and stable connections.
6.2. Bluetooth Connection
Connect external Bluetooth speakers or headphones for enhanced audio, or use the projector as a Bluetooth speaker.

Image: A smartphone wirelessly connected to the WEWATCH S3 projector, demonstrating the 2.4G/5G Wi-Fi and Bluetooth dual-channel capabilities for seamless content streaming.
- Go to Bluetooth settings.
- Pair with your Bluetooth device.
- The projector can also function as a standalone Bluetooth speaker when connected to a phone.
6.3. HDMI and USB Connections
Connect external devices via HDMI or USB ports.
- Insert the HDMI cable into one of the projector's HDMI ports and the other end into your device (e.g., laptop, game console).
- Insert a USB drive into a USB port to access media files.
7. Key Features
7.1. Electronic Focus
Adjust the image clarity easily using the remote control.

Image: A hand holding the projector's remote control, pointing to the F+/F- buttons used for electronic focus adjustment, with a clear projected image of a tiger cub.
- Use the F+ and F- buttons on the remote control to fine-tune the focus until the image is sharp.
7.2. 4-Point Keystone Correction
Correct distorted images to achieve a perfectly rectangular projection, regardless of the projector's angle.

Image: A projected image of a woman's face with a dotted outline demonstrating how 4-point keystone correction adjusts the image to be perfectly rectangular, even when projected at an angle.
- Access the keystone correction settings in the menu to adjust each corner of the image independently.
- The projector also supports automatic vertical keystone correction.
7.3. Zoom Function
Adjust the image size without moving the projector.

Image: A visual representation of the projector's zoom function, showing how the image size can be reduced from 100% to 50% without physically moving the projector.
- The zoom function allows you to reduce the image size from 100% to 80%.
7.4. Large Screen Projection
Experience immersive viewing with a large adjustable screen size.

Image: A large projected image of an astronaut on a snowboard, illustrating the 300-inch screen capability of the projector in a home cinema setting.
- The projector can produce an adjustable screen size from 60 inches to 300 inches, suitable for various viewing environments.
8. Maintenance
8.1. Dust-Proof Design and Cleaning
The projector features a dust-proof design with a hidden dust box to prevent dust accumulation.

Image: A close-up view of the projector's hidden dust box, showing the filter inside, and an illustration of airflow, emphasizing the importance of regular cleaning to prevent dust from entering the device.
- Regularly clean the dust box to maintain optimal performance and prevent dust from affecting the image quality.
- Use a soft, dry cloth to clean the exterior of the projector.
- Do not use liquid cleaners or aerosols.
9. Troubleshooting
If you encounter issues with your projector, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No image projected | Check power connection. Ensure input source is correctly selected (HDMI, USB, etc.). Verify lens cap is removed. |
| Image is blurry | Adjust electronic focus using the F+/F- buttons on the remote. Ensure the projection surface is flat. |
| Image is distorted (trapezoid shape) | Use 4-point keystone correction in the settings menu to adjust the image corners. Check for automatic vertical correction. |
| No sound | Check volume settings on the projector and connected device. Ensure external speakers are properly connected or Bluetooth is paired. |
| Wi-Fi connection issues | Ensure Wi-Fi is enabled. Re-enter Wi-Fi password. Restart the projector and router. Try connecting to a different Wi-Fi band (2.4G or 5G). |
10. Specifications
Key technical specifications for the WEWATCH S3 Projector:
- Brand: WEWATCH
- Model Number: S3
- Color: Smoked Grey
- Product Type: Portable Projector
- Brightness: 500 ANSI Lumens
- Native Display Resolution: 1920 x 1080 (Full HD)
- Maximum Display Resolution: 3840 x 2160 (4K Supported)
- Contrast Ratio: 20000:1
- Display Type: LED
- Connectivity Technology: Bluetooth, Ethernet, HDMI, USB, Wi-Fi (2.4G/5G)
- Special Features: Wi-Fi Compatible, Digital Keystone Correction, Built-in Speaker, Auto Focus, Portable
- Compatible Devices: Speaker, Laptop, Smartphone, Tablet
- Product Dimensions: 24.3L x 24.9W x 10.5H centimeters
- Recommended Uses: Home Cinema, Video Games, Professional, Education
11. Warranty and Support
The WEWATCH S3 Projector comes with a manufacturer's warranty to ensure your peace of mind.
- Manufacturer's Warranty: 2 years
- For technical support or warranty claims, please refer to the contact information provided with your purchase documentation or visit the official WEWATCH website.



