Foxnovo Portable 2-Port USB 2.0 Printer Scanner Sharing Switch Hub (Black) Shell material: durable hard plastic. Size (L*W*T): about 12*7.4*2.7cm. Allow you to share a USB devices such as printer, scanner, camera, keyboard, and other devices with 2 computer ports. Easy to use: Just plug your USB device into the USB port on the sharing switch, connects 2 PC and the other 2 ports. Equipped with corresponding button for each port Operating system compatibility: Windows 98 ME 2000 XP, and Mac OS.