As AR glasses become more widely used for gaming, streaming, and mobile entertainment, users often discover that the real challenges are not the glasses themselves, but how accessories handle signal conversion, power delivery, and audio routing. This guide explains the most common AR accessory questions and solutions in a system-level way, helping you build a stable and predictable AR setup across different devices and environments.

1. What AR Glasses Are Supported?

This AR accessory solution is compatible with AR glasses that accept USB-C video input, including XREAL Air/One, Rokid Air, and Thunderbird Air. These glasses rely on USB-C for both video and audio transmission, which means the adapter must correctly convert HDMI signals into a USB-C DisplayPort stream. Compatibility depends on standard DP video input rather than proprietary wireless protocols.

2. What HDMI Devices Can Be Connected?

Most devices with a standard HDMI output can be connected, including laptops, desktop PCs, PlayStation 4 / PlayStation 5 consoles, TV boxes, and streaming sticks. For example, when using a Fire TV Stick with AR glasses in mobile or cable-free scenarios, an integrated solution like HD200 simplifies the setup by combining HDMI conversion and battery power into a single unit. This avoids the need for multiple adapters and fixed power outlets while maintaining stable video output.

3. Does the Adapter Support Bidirectional Conversion?

No. The adapter supports one-way signal conversion only, from HDMI input to USB-C output. USB-C video output devices cannot be converted back to HDMI using this adapter. This limitation is defined by the internal signal path and chipset design, and applies consistently across HDMI-to-USB-C AR accessories.

4. Does the Adapter Support Charging While in Use?

Yes. The adapter includes a dedicated USB-C power input that allows external power to be supplied while simultaneously outputting video and audio to the AR glasses. This is especially important for long gaming or streaming sessions. Compact HDMI-to-USB-C adapters such as LD48L rely on external power to maintain stable signal conversion, ensuring that video output remains consistent even under sustained load.

5. Why Is There Image but No Sound When Using XREAL Glasses?

XREAL glasses use USB audio rather than HDMI audio by default. When first connected, the audio channel may not automatically switch. On XREAL Air, long-press the volume “+” button until two beeps are heard to change the audio mode. On XREAL One, enter the system menu and manually select the correct audio output channel. Once switched, audio will output normally through the glasses.

6. Why Doesn’t the Image Display Correctly on a Portable Monitor?

The adapter’s USB-C display port is primarily designed for audio and video transmission, not high-wattage power output. Some portable monitors require higher input power than the adapter alone can supply. If the monitor has a separate power input, connect it independently. If not, using a higher-wattage PD power supply can help maintain display stability, especially when driving higher resolutions.

7. What Causes Unstable Connections or Random Disconnections?

Unstable connections are usually related to power headroom and cable integrity. Always check that all cables are firmly connected and use a PD power adapter rated at 45W or higher to power the setup. Lightweight HDMI-to-USB-C adapters like LD50, often used with gaming consoles or handhelds, are especially sensitive to insufficient power when running at 4K60Hz.

8. What Should I Do If There Is No Image After Connection?

First, confirm that the USB-C cable connected to the AR glasses supports video and audio transmission, not charging only. Whenever possible, use the original cable included with the AR glasses. For best results, reconnect devices in this order:

• Connect the USB-C power source,
• Connect the AR glasses or USB-C display,
• Connect the HDMI source device.

This sequence helps ensure correct signal negotiation.

9. Will the Adapter Get Hot During Use?

Yes. Mild heat during operation is normal. The internal chipset performs real-time signal conversion, and aluminum or ABS housings are designed to dissipate heat efficiently. As long as the device remains within normal touch-safe temperatures, heat buildup will not affect performance or reliability.

10. AR Glasses Scenarios: Console vs Portable vs Mobile

11. Final Thoughts: Building a Stable AR Accessory Setup

AR accessories are not passive cables—they actively manage video conversion, power distribution, and audio routing. Most issues can be avoided by understanding signal direction, ensuring sufficient external power, and using proper USB-C video cables. With the right setup, AR glasses can become a reliable extension of consoles, streaming devices, and PCs across gaming, productivity, and entertainment scenarios.