Features: 1. Plug and play without driver, no need to install any driver. Support for MAC, for Windows, for Linux and other systems, can be used directly. 2. Alloy body gold plating process. It adopts all-metal frosted shell and thickened gold-plated interface. Shielding interference anti-corrosion , anti-oxidation. Compatible with various HD version input, ensuring transmission performance and increasing transmission speed. 3. With over-current protection, providing strong power, no need to worry about insufficient power supply, stable use, please use the 5V/2A power supply. 4. 4-port USB interface to achieve four-to-one free switching or one-button 4-port synchronous control. 5. Support USB2.0 full speed technology, speed up to 12Mbps, no drive required. 6. Suitable for windows, for linux, for android, for netware operating system. 7. It can be switched by hot key mode and synchronizer button mode, which is convenient and quick. 8. Support mouse screen, both as a synchronizer and KM switcher. Specifications: Model: Aimos Colour: Black Case Material: Metal Power consumption: 6W (maximum) Input interface: 4-channel USB-B port (square USB port) Output interface: 2-channel USB-A port Propagation speed: USB2.0 full speed technology Operating temperature range: -5~+65°C Function: mouse traversing function, hot key switching, mouse and keyboard synchronization control, mouse and keyboard synchronization control KVM: mouse and keyboard sharing Size: Approx. 10*6.5*2cm/3.94*2.56*0.79inch Package List: 1 x USB Synchronizer 4 x USB Cable 1 x User Manual .