Features: Brand new and high quality 4-port USB switch is a great choice for sharing 4 USB devices between two computers; USB 3.0 switch supports ultra-fast USB 3.0 data transfer speeds of up to 5Gb/s (10 times faster than USB 2.0) It is ideal for sharing a printer or scanner in a small office environment; for Windows 10/8/8.1/7/Vista/XP and MacOS Linux and Chrome OS; No driver installation required for compatible systems; Package Included: 1 PC x KVM Switch Specifications: Model: Vs021b Item: USB 2 In 4 Out Switch Function: 2 computers share 4 USB devices Standard: Usb3.0 2.0 Switching Method: Button Accessories: Only one charging cable, exclusive USB AA cable Power: Micro USB 5v Size: about 105x53x16mm/4.13x2.08x0.63in Color: Black Material: Plastic Note: Due to the problems of lighting effects and shooting angles, there will be some tolerances in the product, whose kind understanding. Please allow 0-1cm error due to the manual measurement.