MT-ViKI 4 Port USB VGA KVM Switch Box with USB Hub Sharing 4 Computers Manual Switcher for PC/Monitor/Mouse/Keyboard Control (4 Port)

4 Port USB KVM Switch Box. One set of USB keyboard, USB mouse, and VGA monitor control four computers, separate the Internet and Intranet with the click of a button.
Portable and Easy to Use. The 4 In 1 Out KVM Switcher between two computers is controlled by the push button on the top of the unit. 4 USB connectors support not only for data transfer but also for the power supply. No external power required.
Higher Definition Output. Supports high-definition image and supports maximum resolution up to 1920 x 1440. The adapter supports only for video output. But you can enjoy the audio through speakers from PC.
Wide Compatibility. Windows 10/8/7 / XP / Vista (32/64-bit), Mac, Linux, DOS, Win3, WINNT, Netware, and Unix. The VGA Switcher Box also supports online games and DVR.
Plug and play, no software to install, no power adapter required.