ULT-unite HDMI to USB C Cable

1. Product Overview

The ULT-unite HDMI to USB C Cable is a high-performance unidirectional video transmission cable designed to convert HDMI audio and video signals from a source device to a Type-C video input display. It supports up to 4K@60Hz ultra-high definition video transmission and features a dedicated USB power interface to ensure stable signal transmission. This cable is ideal for connecting various HDMI output devices to Type-C video input displays such as Li Auto vehicle central control screens, AR glasses, portable monitors, and more.

Figure 1: ULT-unite HDMI to Type-C Cable with USB Power

Key Features:

• 4K@60Hz Ultra HD: Supports ultra-high definition video transmission with smooth, detailed picture quality.
• Audio Synchronization: Built-in audio synchronization technology for high-quality audio and video output.
• USB Power Delivery: Additional USB power interface (5V/1A) enhances signal stability.
• Wide Compatibility: Compatible with various HDMI output devices and Type-C video input displays.

2. Device Requirements

Input Device Requirements:

Your input device must be an HDMI signal output device, such as:

• Laptops, desktop computers (with HDMI output)
• PlayStation, Xbox game consoles
• Nintendo Switch (requires original dock)
• Blu-ray players, TV boxes, and other multimedia devices

Note: This cable does not support Type-C output-only devices (such as some mobile phones and tablets that can only output signals).

Output Device Requirements:

Your output device must be a Type-C video input device supporting DisplayPort Alternate Mode (DP Alt mode), such as:

• Li Auto vehicle displays
• AR glasses (must confirm video input support)
• Displays with Type-C video input
• Some tablets

Figure 2: Resolution Support (4K@60Hz, 2K@144Hz, 1080P@60Hz)

Figure 3: Laptop Connected to Portable Screen

Figure 4: Game Console (PS5) to USB-C Monitor

3. Usage Instructions

Connection Steps:

1. Connect the HDMI plug to the HDMI output port of your source device (e.g., game console, laptop).
2. Connect the Type-C plug to the Type-C video input port of your display device (e.g., Li Auto vehicle display, AR glasses).
3. Connect the included USB power cable to a 5V/1A power source (e.g., vehicle USB port or phone charger) to enhance transmission stability.
4. Turn on the source device and display device, then select the correct input source to start screen mirroring.

Figure 5: Host Connected to Portable Screen Diagram. Note: This product cannot supply power to the portable screen, nor can it transmit data; it only supports touch function.

Figure 6: Connection Diagram. Only Supports HDMI To Type-C One-Way Transmission.

Important Notes:

• This product is designed for unidirectional transmission (HDMI to Type-C) and cannot be used in reverse.
• For optimal 4K@60Hz performance, ensure USB power is connected and use a high-quality power source.

4. Device-Specific Usage Guidelines

Usage with Nintendo Switch:

1. Original Switch Dock: First, place the Switch console into its original dock, then connect the HDMI interface of this product to the dock's HDMI output port.
2. Power Requirements: The Switch dock requires independent power supply; ensure the original power adapter is properly connected.
3. Mode Switching: The Switch can only output HDMI signal in dock mode; it cannot be used in portable mode.
4. Resolution Adaptation: Switch output supports up to 1080P and will automatically adapt to the optimal resolution after connection.

Usage with AR Glasses:

1. Compatibility Confirmation: Before use, confirm your AR glasses support Type-C video input function (not just power delivery).
2. Resolution Settings: Some AR glasses have specific optimal resolutions; please set the matching resolution on the source device.
3. Power Requirements: AR glasses may require additional power; ensure the USB power interface is securely connected.
4. Audio Transmission: If AR glasses have audio function, confirm the audio output is set to HDMI audio output.

5. Specifications

6. Maintenance

To ensure the longevity and optimal performance of your ULT-unite HDMI to USB C Cable, please follow these maintenance guidelines:

• Storage: Store the cable in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly coiling or bending the cable at sharp angles.
• Cleaning: Use a soft, dry cloth to clean the cable and connectors. Do not use liquid cleaners or solvents.
• Handling: Always grasp the connector ends when plugging or unplugging the cable. Avoid pulling on the cable itself, as this can damage the internal wiring.
• Protection: Keep the cable away from pets and young children to prevent damage.

7. Troubleshooting

Common Issues and Solutions:

• No signal after screen mirroring:
  • Check if the USB power cable is properly connected. Try unplugging and replugging the USB power cable or changing the power source.
  • Confirm the source device supports HDMI output.
  • Confirm the display device supports Type-C video input.
• Flickering or signal interruption during use:
  • Check if the USB power supply is stable. It is recommended to use a 5V/2A or higher power adapter.
  • Try replacing the USB power cable.
  • Avoid excessive bending of the cable and ensure secure connections.
• No audio output:
  • Select "HDMI audio output" in the audio settings of the source device.
  • Confirm the display device supports audio input and the volume is properly adjusted.
• Incomplete display or abnormal ratio on AR glasses:
  • Adjust the output resolution on the source device to match the optimal resolution of the AR glasses.
  • Check the display settings of the AR glasses and adjust the screen scaling.
  • Update the graphics driver of the source device.
• No video output when connecting Nintendo Switch:
  • Confirm the Switch is placed in the original dock and the dock power light is on.
  • Confirm the Switch is awake and not in sleep mode.
  • Try restarting the Switch and try again.

8. User Tips

• This cable works effectively with Steam Deck docking stations for displaying images to compatible AR glasses like TCL Rayneo Air 4 Pro.
• It has been successfully used to connect Lenovo laptops with HDMI output to USB-C monitors.
• When connecting to a portable monitor, often only the Type-C connection is needed. For PC connections, both HDMI and the USB power cable are typically used.
• Ensure to connect the USB power cable for stable signal transmission, especially for higher resolutions or demanding devices like Apple TV with an Asus ZeenScreen MB16ACE monitor.
• Verify compatibility with your specific phone model; for example, it may not be valid for Redmi Note 15 phones.

9. Frequently Asked Questions (FAQ)

Q: Why is there no signal when connecting a laptop to a Li Auto vehicle display?

A: Please refer to the 'No signal after screen mirroring' section in Troubleshooting. Ensure all connections are secure and power is supplied.

Q: Does this cable support 2K@120Hz?

A: This product supports up to 4K@60Hz maximum and does not officially support 2K@120Hz. Please refer to the actual output specifications of your devices.

Q: Can I use my touch screen with the computer on Windows and Linux?

A: The product description indicates that the cable supports touch function, but cannot transmit data. For specific touch screen functionality with Windows or Linux, please ensure your display supports touch input via Type-C and that the necessary drivers are installed on your computer.

10. Warranty and Support

For any further questions, technical support, or warranty inquiries, please contact the seller or customer service. Product specifications are subject to change without notice.

You can also refer to the official item guides and documents available in PDF format for additional information: View User Manual (PDF).