Our newest Hub Provides four downstream USB ports that are compatible with both Hi speed USB 2.0 and USB1.1 (low and full speed) devices. The top loading port gives you easy access. For quick, temporary connections of USB thumb drives, media readers, small accessories such as USB lights and fans, the Apple ipod shuffle, and more. Connect a modem, USB printer, scanner, and HD to one convenient USB HUB. With the USB 4 ports HUB you can add 4 USB peripherals to your computer and save desktop space. Plug and Play, compatible with both USB 1.1/usb 2.0. Support high-speed 480 Mbps, full speed 480Mbps, low speed 12Mbps. Protection for current overland. Fully compatible with all USB devices. Supports self-powered and bus-powered mode. USB 1.1 and USB 2.0 optional. Supports Windows Vista, Windows XP, 2000, 98, and Mac OS 9.2,Window 7 and higher Accessory only. Includes 20 inch USB cable.