Introduction
Thank you for choosing the Reiie HY300PRO Mini Projector. This portable device is designed to enhance your visual experience with its native 720p resolution, 4K support, and versatile features. It is ideal for home cinema, outdoor entertainment, business presentations, and gaming.
Key features include automatic keystone correction, 180° flexible rotation, quiet operation (below 28dB), and seamless connectivity via WiFi 6 and Bluetooth 5.0. The integrated Android 11.0 system provides access to various applications for a comprehensive entertainment experience.

The Reiie HY300PRO Mini Projector in use, projecting an image onto a screen.
Product Overview
Package Contents:
- Reiie HY300PRO Mini Projector
- Remote Control
- Power Adapter
- User Manual (this document)
Physical Features:
The HY300PRO is designed for portability and ease of use. Its compact cylindrical form factor allows for flexible placement and projection.

The compact size and light weight of the HY300PRO, highlighting its portability and ease of handling.
It features a projection lens at the front, ventilation grilles for heat dissipation, and various ports for connectivity on the rear/side. The integrated stand allows for 180-degree rotation, enabling projection onto walls, ceilings, or floors.
Setup
1. 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.
2. Placement and Projection:
Place the projector on a stable, flat surface. The HY300PRO's 180° rotatable design allows for flexible projection angles, including ceiling projection.

The projector's 180° flexible rotation capability, demonstrating various projection angles from 0° to 180°.
For optimal viewing, ensure the projection surface is smooth and light-colored. The ideal projection distance ranges from 0.5 to 3 meters, with an optimal distance of approximately 1.68 meters for a 130-inch screen.

Illustration of different screen sizes (85", 100", 130") achievable at various projection distances, with 1.68 meters being optimal for 130".
3. Automatic Keystone Correction:
The HY300PRO features automatic keystone correction to ensure a perfectly rectangular image, even if the projector is not perfectly aligned with the screen. This function activates automatically upon startup or movement.
4. Focus Adjustment:
While the projector has automatic features, fine-tune the focus manually if needed using the focus ring on the projector or the remote control to achieve the sharpest image.
Operating Instructions
1. Connectivity:
The projector offers multiple ways to connect to your devices:

Diagram illustrating the HY300PRO's compatibility with various devices via HD (HDMI), USB, and Audio connections.
- WiFi 6 Connection:
Navigate to the "Settings" menu on the projector's home screen. Select "Network" or "Wi-Fi" and choose your desired network. Enter the password to connect. WiFi 6 ensures stable and fast wireless streaming.
- Bluetooth 5.0 Pairing:
Go to "Settings" and select "Bluetooth". Turn on Bluetooth and search for available devices. Select your Bluetooth speaker or headphones from the list to pair for enhanced audio.
- HDMI Connection:
Connect your laptop, game console (e.g., PS5), or streaming stick (e.g., Fire TV Stick) to the projector's HDMI port using an HDMI cable. Select the HDMI input source from the projector's main menu.
- USB Connection:
Insert a USB flash drive into the projector's USB port to play media files directly. Access the files through the "Files" application on the home screen.
- Screen Mirroring (AirPlay/Miracast):
The projector supports screen mirroring from iOS (AirPlay) and Android (Miracast) devices. Ensure both your device and the projector are connected to the same Wi-Fi network.

Step-by-step guide for setting up AirPlay (iOS) and Miracast (Android) screen mirroring with the projector.
2. Android 11.0 System:
The HY300PRO runs on Android 11.0, providing a smart TV-like experience with access to various applications.

The Android 11.0 interface of the projector, displaying pre-installed apps and the app store. Note regarding HDCP for copyrighted content.
- Navigating the Interface: Use the remote control to navigate through the home screen, applications, and settings.
- App Installation/Usage: Access the AppStore to download and install additional applications. Note that due to HDCP agreements, copyrighted videos from platforms like Netflix, Amazon Prime Video, and Hulu may require playback via a Fire TV Stick, computer, or laptop connected via HDMI.
3. Audio Output:
The projector has a built-in speaker for basic audio. For a more immersive experience, connect external speakers or headphones via Bluetooth 5.0 or the 3.5mm audio jack (if available).
The projector operates quietly, typically below 28dB, ensuring minimal distraction during use.

Illustration of the projector's low noise level, indicating it operates quietly, typically below 25dB.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your projector.
- Cleaning the Lens:
Use a soft, lint-free cloth specifically designed for optical lenses. Gently wipe the lens in a circular motion. Do not use abrasive cleaners or excessive force, as this can scratch the lens.
- Cleaning the Vents:
Regularly check the ventilation grilles for dust accumulation. Use a soft brush or compressed air to carefully remove any dust, ensuring proper airflow and preventing overheating.
- Storage:
When not in use, store the projector in a cool, dry place, away from direct sunlight and extreme temperatures. If possible, use the original packaging or a protective case to prevent dust and damage.
Troubleshooting
If you encounter issues with your Reiie HY300PRO projector, refer to the following common problems and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Image / No Power | Power cable disconnected; Projector off; Remote control battery low. | Ensure power cable is securely connected. Press power button. Replace remote control batteries. |
| Blurry Image | Out of focus; Incorrect projection distance; Dirty lens. | Adjust focus manually. Ensure projector is within optimal projection distance. Clean the lens. |
| No Sound | Volume too low; Muted; External audio device not connected/paired. | Increase volume. Unmute. Check Bluetooth connection or 3.5mm audio cable. |
| Connectivity Issues (Wi-Fi/Bluetooth) | Incorrect password; Out of range; Interference. | Re-enter password. Move projector closer to router/device. Reduce interference from other electronics. |
| Apps Not Working (e.g., Netflix) | HDCP restrictions; App version outdated. | For copyrighted content, use an external device via HDMI (e.g., Fire TV Stick). Check for app updates in the AppStore. |
| Overheating | Blocked vents; Prolonged use in hot environment. | Ensure vents are clear. Place in a well-ventilated area. Allow projector to cool down. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Reiie |
| Model Number | HY300PRO |
| Display Resolution (Native) | 1280 x 720 pixels (720p) |
| Max Display Resolution Supported | 3840 x 2160 pixels (4K) |
| Display Type | LCD |
| Connectivity Technology | HDMI, WiFi 6, Bluetooth 5.0 |
| Operating System | Android 11.0 |
| Special Features | Automatic Keystone Correction, 180° Rotation, Portable Design, Quiet Operation (<28dB), Built-in Speaker |
| Recommended Uses | Home Cinema, Outdoor Movie Nights, Business, Gaming |
| Included Components | Remote Control |
Warranty and Support
Reiie is committed to providing high-quality products and excellent customer service. The HY300PRO Mini Projector comes with a satisfaction guarantee.
For any technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Reiie customer support through the contact information provided on the product packaging or the official Reiie website.
Please retain your proof of purchase for warranty claims.




