1.SAVE YOUR USB PORT---When your usb port is too little, it will help you to save your usb port.
2.ONLY SUPPORT MOUSE AND KEYBOARD--- The USB interface only used to connect mouse or keyboard. It can not connected with other devices.
3.MATCHING PROBLEM---This adapter can\'t fit all the motherboard of different computer. So it have a matching problem that it only matches generic mouse and keyboard
4.NEED RIGHT STEP TO USE---Firstly close your computer. Secondly, plug the adapter and connect your mouse or keyboard. Thirdly, open your computer power to work. Please plug the adapter when your computer is not work
5.The portable size makes it easy to carry along
Due to the screen difference, the color may be a little different from what you expect, please allow it
2 x adapters