Ujjdwiurgh USB 2.0 Switch Adapter with 2 Inputs and 4 Outputs: Perfect for Laptop, PC Keyboard, and Mouse Sharing

[5V DC power port] Devices such as hard disks and digital cameras may need external power to run. When using high-power equipment, please make sure to use the standard 5V adapter for power supply. [USB shared hub] Two computers can be exchanged with one key. Convenient and efficient, 2 computers share 2/4 USB devices, plug and play. [2 USB input 2/4 USB output] USB devices such as keyboard, mouse, USB printer, scanner, curve plotter, multifunction printer and Bluetooth device can be used together with two computers, which saves money and time. Switching mode: the key