Wovte Black 4-port High Speed USB 2.0 Octopus Hub for Pc Computer Pc Laptop Notebook This 4 port USB hub is the ideal companion for laptop or desktop computer Ideal USB expansion for portable use on the road or at home Plug and Play design Allows simultaneous operation of up to four separate devices all attached to a single USB port 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