●Plug and play without drivers, no need to install drivers. Support for MAC, Windows, Linux, and other systems can be used directly. Supports mouse screen as both synchronizer and KM switcher ●Alloy body gold plating process, it adopts an all-metal frosted shell and thick gold plated interface. Shielding interference, anti-oxidation and compatible with various HD versions of inputs, ensuring transmission performance and improves transmission speed ●With over-current protection, it provides strong power, so you dont have to worry about insufficient power supply, please use 5V/2A power supply ●4 port USB interface for free switching or 1 button 4 port synchronization control convenient and quick switch between hot key mode and synchronizer button mode ●Supports USB 2.0 full speed technology, at speeds of up to 12Mbps, no need for drive. Suitable for Windows, linux, android, network operating systems