4-in, 1-Out USB Synchronizer, 4-Port USB Multi-Computer AutomaticDNF Keyboard Mouse Shared Display/Distributor, USB Printer Sharing Device Controller

Multiple port distributors: The Multi-Port Synchronizer allows for free switching or simultaneous control of 4 ports at the touch of a button. As a KM Synchronizer, it can switch between hotkey mode and simultaneous keystroke mode for quick and easy operation.
Switch at willction: Directly press the buttons on the USB switch to switch or the button metal controller to switch. The controller connection line can be extended to more , remote control/convenient/fast/efficient/stable switching.
USB multi-computer automatic 4-port USB multi-computer automatic is Gold-plated alloy body. It features an all-metal matte shell and a thick gold-plated interface. Compatible with various HD versions of input, ensuring transmission performance and improving transmission speed.
Product Advantages: Multiple port distributors Built-in imported high-performance chip, to help you better control computers, Plug and Play Good compatibility, no driver required.
Wide Application: USB printer sharing devicecontroller not only Compatible with Win7/8/10, Linux, Vista and other systems. And also for game studios, Security/stock Market Surveillance, office and other scenes.