1. Introduction
Thank you for choosing the ENUOSUMA HY300 Ultra Mini Projector. This compact and versatile projector is designed to deliver a superior viewing experience with its 4K support, Android TV 11 operating system, advanced connectivity, and user-friendly features. This manual provides detailed instructions to help you set up, operate, and maintain your projector for optimal performance.
2. Package Contents
Please verify that all items are present in your package:
- ENUOSUMA HY300 Ultra Mini Projector
- Remote Control
- Power Adapter
- User Manual

Image: The ENUOSUMA HY300 Ultra Mini Projector in white, accompanied by its black remote control. The projector features a cylindrical body with a lens at one end and ventilation grilles.
3. Key Features
3.1 Smart Projector with Android TV 11
The HY300 operates on Android TV 11, providing direct access to a vast library of high-quality videos and popular streaming platforms such as Netflix, Prime Video, and YouTube. This integration offers a true smart viewing experience without the need for external devices.

Image: The projector casting a large image onto a wall, showing the user interface with icons for Netflix, YouTube, and Prime Video, indicating its smart Android TV capabilities.
3.2 Upgraded 4K Resolution Support
This projector supports 1080P and 4K resolution input, delivering crisp, sharp visuals. Advanced LED technology ensures bright and lifelike projections with 200 ANSI lumens and an 8000:1 contrast ratio, resulting in stunning, vibrant colors and razor-sharp details.

Image: A split image demonstrating the visual improvements of the HY300 Pro, highlighting higher contrast, sharper details, richer colors, and a brighter display.
3.3 Enhanced Speakers & Connectivity
Equipped with WiFi 6 and Bluetooth 5.2, the projector offers seamless connections to 2.4G/5G networks and external audio devices. Its compact design includes 360° surround sound speakers for an immersive home theater experience.

Image: A visual showing the projector's WiFi 6 and Bluetooth 5.2 capabilities, with a smartphone and tablet wirelessly connected, illustrating buffer-free streaming.
3.4 Auto Keystone Correction and 210° Rotatable Projection
The projector features automatic keystone correction to ensure perfectly aligned and sharp images without manual adjustments. Its 210° rotatable design allows for flexible projection onto walls, ceilings, or floors, providing a 35-130 inch cinematic viewing experience.

Image: A projector casting an image onto a screen, with dotted lines illustrating how motorized focus and keystone correction automatically calibrate the image for ideal position.

Image: A projector casting an image onto a screen, with icons indicating auto-focus, vertical auto keystone, horizontal auto keystone, and 210-degree rotation capabilities.
3.5 Wide Compatibility
The HY300 includes HDMI, USB, and 3.5mm audio ports (HDMI cable not included). It is compatible with TV sticks, gaming consoles, PCs, smartphones, tablets, laptops, and USB drives, making it ideal for various applications from home theater to work presentations.

Image: An illustration showing the projector surrounded by various compatible devices such as headphones, a smartphone, a game console, and a laptop, emphasizing its broad connectivity.
4. Setup Guide
4.1 Unpacking and Placement
- Carefully remove the projector and all accessories from the packaging.
- Place the projector on a stable, flat surface. Ensure adequate ventilation around the device.
- Position the projector at the desired distance from your projection surface (wall or screen). For best viewing, a 5.2ft distance is recommended for an 80-inch screen.

Image: Two projectors demonstrating different projection setups and distances (5.2ft for 80 inches, 6.5ft for 100 inches, 8.5ft for 130 inches) to achieve various screen sizes.
4.2 Powering On
- Connect the power adapter to the projector's power input port.
- Plug the power adapter into a wall outlet.
- Press the power button on the projector or the remote control to turn on the device.
4.3 Initial Setup (Language, Network)
- Upon first power-on, follow the on-screen prompts to select your preferred language.
- Connect the projector to your Wi-Fi network by selecting your network name and entering the password.
- Complete any other initial setup steps as guided by the Android TV interface.
4.4 Image Adjustment
The HY300 features automatic keystone correction and motorized focus for convenience.
- Auto Keystone Correction: The projector will automatically adjust the image shape to be rectangular, even if placed at an angle.
- Manual Focus: If the image appears blurry, use the focus adjustment on the remote control to fine-tune the clarity.
5. Operating Instructions
5.1 Navigating the User Interface
Use the provided remote control to navigate the Android TV interface. The directional buttons allow movement, and the 'OK' button confirms selections. The 'Back' button returns to the previous screen, and the 'Home' button takes you to the main menu.
5.2 Connecting External Devices
- HDMI: Connect devices like gaming consoles, laptops, or TV sticks to the HDMI port. Select the HDMI input source from the projector's menu.
- USB: Insert USB drives into the USB port to play media files (videos, photos, music). Access the USB content through the file manager application on the projector.
5.3 Using Bluetooth Audio
To connect Bluetooth speakers or headphones:
- Go to the projector's settings menu.
- Select 'Bluetooth' and turn it on.
- Put your Bluetooth audio device into pairing mode.
- Select your device from the list of available devices on the projector's screen to pair.
5.4 Screen Mirroring
The projector supports screen mirroring from compatible smartphones and tablets. Refer to the specific screen mirroring application or feature within the projector's Android TV interface for detailed instructions.
5.5 Accessing Streaming Apps
Pre-installed streaming applications like Netflix, YouTube, and Prime Video can be accessed directly from the home screen. Ensure you are connected to the internet and logged into your respective accounts to use these services.
6. Maintenance and Care
- Cleaning the Lens: Use a soft, lint-free cloth specifically designed for optical lenses to gently wipe the projector lens. Avoid using abrasive cleaners or cloths that could scratch the lens.
- Cleaning the Exterior: Wipe the projector's exterior with a soft, dry cloth. For stubborn marks, slightly dampen the cloth with water. Do not use harsh chemicals.
- Ventilation: Ensure the projector's ventilation openings are not blocked during operation to prevent overheating. Regularly check for dust accumulation and gently clean if necessary.
- Storage: When not in use for extended periods, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image or power | Power cable disconnected; Projector off | Ensure power cable is securely connected; Press power button |
| Image blurry | Out of focus; Incorrect projection distance | Adjust focus using remote; Adjust projector distance |
| Image distorted (not rectangular) | Projector not aligned; Auto keystone issue | Ensure projector is on a flat surface; Check auto keystone settings |
| No sound | Volume too low; Muted; External audio device not connected | Increase volume; Unmute; Check Bluetooth connection or external speaker cable |
| Wi-Fi/Bluetooth connectivity issues | Incorrect password; Out of range; Interference | Verify password; Move closer to router/device; Reduce interference |
| Projector overheats and shuts off | Blocked ventilation; Prolonged use in hot environment | Ensure vents are clear; Allow projector to cool down; Use in a well-ventilated area |
8. Product Specifications
| Feature | Specification |
|---|---|
| Brand | ENUOSUMA |
| Model | HY300 |
| Display Resolution | 1024 x 720 (Supports 1080P 4K) |
| Brightness | 200 ANSI Lumens |
| Contrast Ratio | 8000:1 |
| Operating System | Android TV 11 |
| Connectivity Technology | WiFi 6 (2.4G/5G), Bluetooth 5.2, HDMI, USB, 3.5mm Audio |
| Special Features | Auto Keystone Correction, 210° Rotatable Projection, Motorized Focus |
| Built-in Speaker | 5W Soundbase Speaker |
| Item Weight | 1.43 pounds |
| Package Dimensions | 6.77 x 5.83 x 4.88 inches |
| Color | White |
9. Warranty and Customer Support
ENUOSUMA is committed to providing excellent customer service. We offer professional after-sales support and are dedicated to resolving any issues you may encounter within 12 hours. We promise lifetime technical support for your ENUOSUMA HY300 Ultra Mini Projector. Your satisfaction is our priority.
For assistance, please contact ENUOSUMA customer support through the platform where you purchased the product or visit the official ENUOSUMA website for contact information.