Extends and boosts the signal to any USB device or cable supports data transfer speeds up to 480 Mbps. Built-in chipset with amplification maintains Hi-Speed, USB 2.0 signal quality. Overcomes the 5m (16.5 ft.) Hi-Speed USB-cable length Daisy-chain two extensions for total distance of 30 m (100 ft.) Plug and play; Windows and Mac compatible; bus powered requires no external power supply or driver. Three-Year Warranty