1、[4 Ports] The USB 3.0 switch allows you to control up to 4 computers using just one keyboard and mouse, supporting 4 USB 3.0 devices, including keyboard, mouse, printer, scanner, and more. 2、[2 Switching Methods] The 4 port USB switcher supports key and desktop controller switching. Recommend using the desktop controller for a cleaner work space. Does not support keyboard hotkey switching. 3、[5Gbps Speed] USB 3.0 switcher offers up to 5Gbps data transfer rate, 10 times faster than USB 2.0. Backward compatible with USB 2.0 and 1.1 peripherals. Supports wireless keyboard and mouse. 4、[Wide Compatibility] The USB 3.0 switcher is powered by a separate MicroUSB port, plug and play. Compatible with for Win, for OS X, for Linux. 5、[Stable Running] The 4 port USB switcher comes with a 5V 2A USB cable for connecting external hard drives and high power USB devices. (Adapter not included.) Item Type: USB 3.0 Switch Material: Iron Power Interface: MicroUSB 5V Interface: USB A 3.0 x 4, USB B 3.0 x 4 Transfer Speed: 5Gbps Control: Key Control, Desktop Controller 1 x USB 3.0 Switch 4 x USB A to USB B Cables 1 x USB Power Cord 1 x Desktop Controller 1 x User Manual