TRENDnet TK-409K 4-Port USB KVM Switch Kit with Audio - Untested. Used device that looks clean and in great condition. I have no way of testing this as I don't have the system to test it on. It does look clean and is Being sold AS-IS/UNTESTED and has been priced accordingly.Please take a look at the pictures and ask any questions you may have before purchasing. Thank you.The TRENDnet TK-409K 4-Port USB KVM Switch Kit with Audio is a versatile device that allows for easy switching between multiple computers through a convenient interface. With support for various connection types including VGA, USB, and PS/2, this KVM switch box is compatible with a wide range of devices. The included audio connections further enhance its functionality, making it a practical choice for managing multiple workstations or home entertainment setups. Additionally, its portable design and two-way splitter feature add to its overall value and convenience.