Features: [2 USB inputs and 4 USB outputs] USB devices such as keyboards, mice, USB printers, scanners, curve plotters, multi-function printers, Bluetooth-compatible devices can be used with 2 computers, saving for time and money. [5-V Power Port] for HDD, digital video camera and other equipment may need an external power supply to operate. When using high-power equipment, make sure to use a standard 5-volt adapter for power supply. [Strong compatibility] Plug and for play, suitable for Windows 10/8.1/7 Linux and More. [USB Sharing Hub] One button exchange between 2 computers. Convenient and efficient, 2 computers share 4 USB devices, plug and for play. brand new and high quality [KVM Switch ] Printer sharing device, USB 3.0 sharing, sharing switch for 2 computers sharing 4 USB ports, KVM switch for PC with a button switch and 2 USB cables Specifications: Switch Type: Push Button Switch Size:approx 99x50x14mm/3.9x2.0x0.6in Cable length: about 150cm/59.05in/4.92ft Color:Black Output: 4 x USB3.0 Input: 2 x USB3.0 Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x USB 3.0 Switch 2 x USB Cables (4.92ft) 1 x User Manual