START Black USB 2.0 Hi-Speed 4-Port Splitter Hub Adapter For PC Computer We have selected the fastest mail for you! About us:if you have any question,you can contact us,then we will solve it for you  .More surprise product sold by "START"Please pay more attention to our company-www.amazon.com/shops/start_wuvi Plug and Play 4 Port USB Hub Great for laptops with hard to reach USB ports Supports Windows Vista, Windows XP, 2000, 98, and Mac OS 8.6 and higher  This 4-port USB hub is the ideal companion for laptop or desktop computers Ideal USB expansion for portable use on the road or at home.Perfect for connecting USB 1.1 or 2.0 peripherals such as USB mice, USB Portable Hard Drives, USB CD-R/RW or DVD-ROM drives and USB 1.1 hubs Allows simultaneous operation of up to four separate devices all attached to a single USB port Accessory ONLY; USB flash drive not included