1. Provide four downstream USB ports that are compatible with both Hi-Speed USB 2.0 and USB 1.1 (Low and full speed) devices. 2. 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. 3. Connect a modem, USB printer, scanner, and HD to one convenient USB HUB. 4. With the USB 4 ports HUB you can add 4 USB peripherals to your computer and save desktop space 5. System Requirements: Windows; Mac OS, Linux
