4 Ports USB3.0 Switch Sharer 4 In 1 Out Switcher Multiple Computers Sharing Mouse And Keyboard USB3.0 Device Splitter. 1 In 2 Out / 2 In 1 Out RCA Stereo Audio Switch Bi-Directional Audio Switcher. It is suitable for more USB port devices, allowing devices withUSB ports (such as scanners, plotters, multifunction machines, printers, etc.) to reach 4 computers sharing 1 USB port device through this product.
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