USB Sharing Switch for 2 Computers sharing 4 USB Ports, KVM Switches for PCs with One-Button Swapping and 2 Pack USB Cable? USB Sharing Hub?One button swapping between 2 computers. Convenient & efficient, 2 computers share 4 USB devices, plug and play.2 USB Input 4 USB Output?Keyboard, mouse, USB printer, scanner, curve plotter, multifunction printer, Bluetooth equipment and other USB devices can be used with 2 computers which saves money and time.5V DC Power Supply Port? Devices like HDD and Digital Video Cameras might need external power to running. Please make sure use Standard 5V Adapter for powering while using high power device. Great Compatibility?Plug and play for Windows 10/8.1/7/Vista/XP and Mac OS X, Linux and Chrome OS. Note: Any charger with higher voltage than 5 V output is NOT allowed and may affect the product