Questions & Answers: 4 Port USB KVM Switch Box, VGA Monitor Switcher 4 in 1 Out Support 1080P for 4 Computers Sharing one HD Monitor and one Keyboard, Mouse, and Printer.

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4 Port USB KVM Switch Box, VGA Monitor Switcher 4 in 1 Out Support 1080P for 4 Computers Sharing one HD Monitor and one Keyboard, Mouse, and Printer.

4 Port USB VGA KVM Switch Box: Rybozen USB VGA KVM switch is convenient for you to control multiple computers, while sharing a USB keyboard, USB mouse, printer and VGA monitor to 4 computers.
1080P HD Output: KVM switch supports high-definition image and supports maximum resolution up to 1920x1080@60Hz, backup compatible with 720P, 480P.
Good Compatibility: Windows 10/8/7 / XP / Vista (32/64-bit), Mac, Linux, Sun Solaris, DOS, Win3, WINNT, Netware, and Unix. The VGA Switcher Box also supports online games and DVR. Plug and Play: no power supply, or software needed.
Portable and Easy to Use: 3 USB Type A Output and 1 VGA Output , 4 USB Type B Input and 4 VGA Input . The 4 In 1 Out VGA KVM Switch between four computers is controlled by the push button on the top of the unit.
Important Note: Please make sure the VGA IN1 and USB IN1 were plugged in the same Host. VGA IN1 and USB IN1 is corresponding. Do NOT support VGA IN1 and USB IN2 mixed insertion.