I intended to use this for my sole proprietorship, but I purchased the wrong item, so I am selling it. (> <) I realized it was the wrong item after opening the package, so it has not been used. You can share 4 devices between 2 PCs. 5Gbps super-fast data transfer 3 USB-A and 1 USB-C ports can be used on 2 PCs - Brand: UGREEN - Model: USB3.0 4-port hub - Function: USB switch - Number of ports: 4 ports - Color: Gray It is sold on Amazon for 4,099 yen. https://amzn.asia/d/8JKCzJy