Hypertec USB powered Flash Card Reader, 480 Mbit/s, USB 2.0, 25590.6" (650 m), Windows 98 / 98SE / ME / 2000 / XP, Vista, Mac OS 9.2, 10.1.2.3 /> Linux Kernel 2.4.0 />, 3.54 x 2.17 x 1.1" (90 x 55 x 28 mm) Hypertec USB powered Flash Card Reader. Data transfer rate: 480 Mbit/s. Interface: USB 2.0. Cable length: 25590.6" (650 m). Compatible operating systems: Windows 98 / 98SE / ME / 2000 / XP, Vista, Mac OS 9.2, 10.1.2.3 /> Linux Kernel 2.4.0 />. Dimensions (WxDxH): 3.54 x 2.17 x 1.1" (90 x 55 x 28 mm)