If the built-in USB ports cannot meet your needs， you should plus an extra multi-functional USB hub for peripherals such as USB mouse， USB keyboard， USB web camera， flash memory disk， card reader， etc. This USB 2.0 Hi-speed4 Ports Hub for Computer. With high quality， this versatile hub features stable and superb performance， compact and delicate design. Processed strict procedure and professional skill， it possesses hi-speed and stable data transfer rate. What is more， it is accessible to USB 2.0 interface， also compatible with USB 1.1 interface， very practical and convenient. Generally speaking， this kind of USB hub is an ideal USB expansion for you.                                    Features            4 USB 2.0 hi-speed portsThis 4-port USB Hub is fully compatible with USB 1.1 / 2.0 specificationsAllow simultaneous operation of up to4 separate devices all attached to a single USB portSupport a data transfer rate at 1.5 / 12 / 480 MbpsThis 4-port USB Hub provides up to 500mA per port sufficient for diverse devicesCompatible with Windows 98 / ME / XP / VISTA Mac OS8.6 or aboveThis versatile cable is the ultimate way to stay connected while maintaining a very clean lookGreat on laptops with hard to reach USB ports of this 4-port USB 2.0 HubIt is an ideal USB expansion for portable use on the road or at home<br>                                                            Specifications            Speccifications        <br> Color     White    <br> Interface     USB2.0，Compatible with USB1.1    <br> Data Transfer Rate     1.5/12Mbps，up to 480Mbps    <br> Bus-power Limit Current Protection     500mA    <br> Dimensions     4.06 x 1.37 x 1.06" / 10.3 x 3.5 x 2.7cm    <br> Weight     3.32 oz / 94 g    <br> Port Number     4      <br>                                                             Package Includes            1 x USB 2.0 Hi-speed H<br>