This USB1.1 4-Port Switch Extension Cord Hub for PCs Black can be an easy way to add up to multi-USB peripherals， which can surely solve your problems. It is easy to operate， and just plug the USB hub into your computer and then you have a portable and easily accessible way to connect other USB devices. With highly regarded quality， this versatile cable is also the ultimate way to stay connected while maintaining a very clean look. Never miss it out.                                    Features            4 USB 1 hi-speed ports This 4-port USB Hub is fully compliant with USB Allow simultaneous operation of up to 4 separate devices all attached to a single USB portSupport a data transfer rate at 480MbpsCompatible with Windows 98 SE 98 / ME / 2000 / XP / Vista / 7/ Linux / Mac OSThis 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 1 HubThis 4-port USB Hub is ideal USB expansion for portable use on the road or at home                                                             Specifications            Quantity    1    <br>Color    Black    <br>Material    ABS Housing    <br>Connector Type    USB 1.1    <br>Port Number    4    <br>Max.Transmission Rate    480Mbps    <br>Dimensions    12 x 2.7 x 2cm/ 4.72 x 1.06 x 0.79" (LxWxH)    <br>Weight    2.19 oz / 62 g    <br>Support System    Windows 98 SE 98 / ME / 2000 / XP / Vista / Linux / Mac OS 10.2~， Mac OS 9.1~Linux Kernal 2.4 or Later     <br>                                                            Package Includes            1x USB1.1 4 Port Hub<br>