Robot Design 4 Usb Ports 2.0 new robot hub. Plug and Play, no need driver. 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. Perfect feature 4 port high speed USB HUB. Friendly ergonomic design easily portable. 5V 500MA. Built in short circuit, over voltage, over current and over temperature protection to ensure safty
