fit-Headless GS supports HDMI 2.0 resolutions up to 4K@60 Hz and 1080p@120 Hz Supports HDMI audio up to 7.1 channels Ideal for game-streaming (Steam In-Home Streaming, NVIDIA GameStream etc.) Allows operating a VR headset without a connected display Works with any operating system, no software installation required. Plugs into HDMI port, does not require additional power fit-Headless GS is a small HDMI plug that emulates a high resolution HDMI 2.0 display, specially designed for high refresh-rate game streaming. Once plugged, the headless PC detects a connected display thus enabling the GPU. Game streaming is then available at high resolution and high refresh rate – up to 4K @ 60 Hz and 1080p @ 120 Hz. fit-Headless GS also enables HDMI audio up to 7.1 channels. fit-Headless GS is also useful for VR setups where the operating system requires a connected display for proper booting - allowing the VR host to operate without a display.