1,[Conversion Function] With this device, the USB2.0 9pin interface on the board is directly transferred to 2 port 9pin interfaces and transferred to USB2.0 on the front panel 2,[Need Attention] Should be noted that only USB2.0 transmission rate is available 3,[Durable] Made of high quality plastic, which is durable and light, very convenient for you, and you can also use it for a long time 4,[Stable Performance] Provides a front USB2.0 interface, which is very convenient. Fast conversion speed and stable performance 5,[Computer Accessories] A powerful accessory of the computer, which is easy to install and saves time and effort Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin