high quality,4 / 2 computers share a printer, so there is no need to plug and unplug it repeatedly when switching printing, which effectively protects the equipment and reduces the office cost. Adopt high-performance main control chip, which has stable use, high compatibility, smooth switching and improved work efficiency. Suitable for a variety of devices, 4 / 2 computers can share USB devices to improve office efficiency. Without power supply, the print port and it can be used normally, and there is no external power supply. Sturdy and durable, using ABS shell, resistant to fall and wear, durable. Type: 4 ports / 2 ports Colour:White Material:ABS+Metal Package Contents: 1 x Printer Sharer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.