The HDMI switch VS381B features 3 HDMI ports and supports automatic switching between three HDMI sources to a single HDMI display. It supports video resolutions up to True 4K (4096 x 2160 @ 60Hz 4:4:4), with data rates up to 18 Gbps, HDR, 3D, Deep Color, and HD lossless audio formats.

The methods of switching between HDMI sources include buttons on the front panel and control via an IR remote, making it easy for users to select the desired input.