LightSnake STUSBAB6 Illuminated USB Extension Cable SoundTech Foots patented "Live when Lit"; technology shows you when the cable is working properly. The ends and cable light up when connected properly and flash when data is being transmitted. Hi-Speed USB A to USB B Cable, 6 ft Error-free, high performance transmission. Hi-speed data transfer to 480Mbps - 40 times faster than USB 1.1. Extra flexible cable for ease of routing and installation. Fully compatible with all PC formats - IBM Compatible and Macintosh. Supports up to 127 devices on a daisy chain configuration. Aluminum under molded shield helps meet FCC requirements in EMI/RFI interference. Foil and braid shied complies with fully rated cable specifications reducing EMI/RFI interference.