Visioneer wrote the book on ease-of-use. Visioneer's revolutionary OneTouch technology simplifies the way people use a scanner. The OneTouch buttons are pre-configured for common scanning tasks so you get great results within minutes of opening the box. Button settings can be customized to unleash even more power for advanced users. The Visioneer OneTouch 9420 USB is blazing fast. The Hi-Speed USB logo is your assurance that the OneTouch 9420 USB transfers data to your computer up to 40 times faster than a USB 1.1 scanner yet the OneTouch 9420 is fully compatible with all USB ports including USB 1.1.