Guermok HDMI to USB-C Video Display Adapter (4K@60Hz, AR Glasses Hub, 4.9ft cable) for XREAL One/Air 2 Pro/RayNeo/Rokid & gaming consoles
Product description
If you’re trying to get HDMI video to your USB-C AR glasses (or a compatible USB-C portable monitor) while traveling, this Guermok HDMI to USB-C adapter is built for that job. It’s a one-way display adapter designed to carry video from an HDMI source to a USB-C display—so the setup can feel refreshingly straightforward, as long as your devices are compatible.
What matters most here is the “display-only” nature. It’s not meant to replace a capture solution or work like a general USB-C hub for laptops. If that’s your goal, you may end up frustrated.
What it is and what it solves
This adapter converts an HDMI output (think Switch in TV mode, PS4/PS5, Xbox, streaming/media players) into a USB-C video input for supported AR glasses or USB-C displays. In practice, it’s the kind of add-on you use when you want a more immersive screen setup without running a long, complicated chain of devices.
On a simple day-to-day example: you plug HDMI from a console into the adapter, connect the USB-C cable to your AR glasses, and power the adapter via its Type-C 5V power port so it has enough to run. Then you’re aiming for smooth 4K@60Hz output for a sharper, more fluid experience—assuming your glasses/display and the source device support what’s required.
The essentials (and the limits you should know)
The pitch is clear: one-way HDMI to USB-C video transmission. That’s great when you know exactly which direction you need. But it also means:
- It is not bidirectional, so you can’t use it as a two-way connection.
- It’s display-only—VR headsets aren’t supported and require a capture card.
- It’s not meant for most laptops, tablets, or phones with standard USB-C ports.
There’s also an audio caveat. The adapter is described as not supporting audio in certain situations (for example, if you’re connected to a Studio Display, or if you simply don’t get sound). If audio matters, plan on checking your device audio output settings—and in some cases, using an external audio device.
One more important point: it requires external 5V power (no power = no signal). That’s normal for some adapters in this category, but it can still be the difference between “works instantly” and “why won’t it display?”
Key features that affect real use
The value here is mainly about connection simplicity and the video path.
- 4K@60Hz support for crisp output and smoother motion, targeted at immersive AR/XR experiences, movies, gaming, and mirroring.
- Full-function USB-C cable included (the base description mentions a 1m full-function USB-C cable), which helps keep the setup plug-and-play rather than “buy another cable first.”
- Compact aluminum alloy shell aimed at portability and heat dissipation—useful if you’re packing this into a bag for travel or business.
- Type-C 5V power port (1–1.5A) to supply power to the connected USB-C display/AR glasses, which is required for operation.
- Low-latency, plug-and-play setup, as described, which is what you want for gaming and quick switching between sources.
If you prioritize a smooth “connect HDMI → connect USB-C → go” workflow and your devices already support USB-C video input (DP Alt Mode), this adapter aligns well with that use case.
Tech specs
- Name: HDMI to USB-C Video Display Adapter
- Type: One-way HDMI (male) to USB-C (female) display adapter
- Resolution: 4K@60Hz
- Video support: HDMI to USB-C video transmission only (not reversible)
- Power requirement: External 5V power required, Type-C 5V power port (1–1.5A)
- Cable included: USB-C to USB-C full-function cable (1m mentioned in the base description)
- Shell material: Aluminum alloy
- Compatibility note: Works only with AR glasses or USB-C display devices that support USB-C video input (DP Alt Mode)
Compatibility and what to double-check before buying
This is where people usually get burned, so it’s worth being picky.
You should consider this adapter if your AR glasses or USB-C portable monitor clearly supports USB-C video input (DP Alt Mode). The base description also calls out compatibility with specific AR glasses lines (XREAL One/Air 2 Pro/RayNeo/Rokid) and gaming console outputs (Switch 2/1, Xbox1, PS4/5), plus HDMI streaming/media devices.
You may want to skip it if:
- You’re hoping to connect it to a laptop/tablet/phone via standard USB-C (the adapter is not described as compatible with those).
- You need bidirectional data, charging through the adapter for everything, or a general USB-C hub behavior (it’s one-way display only).
- You’re planning to use it with VR headsets (not supported, capture card required).
- You need audio to work automatically in all scenarios (audio may not be supported, you may need to route sound externally).
Also, make sure you’re using certified USB4/Thunderbolt 3/4/5 cables when connecting to supported devices, since the description specifically notes that for reliable behavior.
Should you buy it?
Buy it if you want a travel-friendly HDMI-to-USB-C path for compatible AR glasses or USB-C portable monitors, especially for gaming and immersive viewing, and you’re okay with a required 5V power connection.
Skip it if your main goal is to make this work with a laptop/tablet/phone over USB-C in a general way, or if you need VR headset support without a capture card, or if audio reliability is a must-have without extra routing.
Mini FAQ
Does this adapter support two-way connections?
No. It’s described as one-way only: HDMI source to USB-C display. It’s not reversible.
What do I need for the adapter to show an image?
The base description says external 5V power is required. Without power, you get no signal.
Will it work with any USB-C port?
Not necessarily. It’s intended for AR glasses/USB-C displays that support USB-C video input (DP Alt Mode). Compatibility can vary by device.
Does it carry audio?
The information provided indicates audio may not be supported in certain setups (and it specifically mentions checking audio output settings and using DisplayPort in some cases). If you need sound, plan for troubleshooting and possibly using an external audio device.
Is 4K@60Hz guaranteed?
It’s listed as 4K@60Hz support, but real-world results depend on your HDMI source and the USB-C display/AR glasses supporting the required input behavior.