Ujjdwiurgh Sharing Keyboard, Mouse, Printer, Scanner, Webcam USB Switch 2 in 2 Out Between Two Computers,with External Control Unit

Two computers share a printer, which eliminates the need for repeated plugging and unplugging when switching printing, effectively protecting native devices and reducing office costs. External controller, expanding external controller for easier switching and control. 2-input 2-output mode allows two computers to share two USB devices. Wireless Bluetooth keyboards and mice are supported, but the dual-input, dual-output mode does not support the simultaneous use of two USB devices. Circuit safety protection and printing are more reassuring, using printed circuit boards with embedded capacitors/resistors/diodes and other core components to provide overcurrent/reverse current/short circuit protection, making printing more reassuring. Instant file transfer for printing, USB 3.0 standard, theoretical transfer rate up to 500MB/S. File transfer to printer is as efficient as direct connection, making office work more efficient.