Product description: This is a for KM USB synchronous switching controller, which can realize for KM switching function or synchronization function; support one set of USB keyboard, mouse can control multiple computers, or separate control, data command synchronization, can adapt to a variety of complex Application Environment. The device has signal processing and transmission capabilities to make the transmission signal smoother and more stable. It is a dependable, high-performance and efficient USB switching method. Features: Easy to install, plug and play, no need to set up. Support USB2.0 full speed technology, speed up to 12Mbps, no need to drive. Compatible with for win/linux/android/OS X and other operating systems. It can be switched by hotkey mode and synchronizer button mode, which is convenient and quick. Support mouse screen: both a synchronizer and a for KM switcher. Built-in ESD electrostatic guard circuit to protect the system in all aspects. Mouse crossing function, hot key switching Mouse and keyboard synchronization control, mouse and keyboard switching control. S pecification: Product Name: for KM USB Synchronous Switching Controller Shell material: metal Input interface: USB-B port (square USB port) Output interface: USB A port Control PC number: 4 sets (8 sets) (16 sets) Propagation speed USB2.0 full speed technology Operating temperature range: -5~+65 ° C Operating humidity range: 5~90% RH uncompressed) Compatible systems: for Win/ Linux/ android OS/ Netware KVM function: mouse and keyboard sharing Package List: 1 * Controller 1 * Instruction manual 4 * USB cable Note: Please read the English manual for detailed operation. .