... , 4GB, 8GB, 16GB, 32GB2. Interface of the USB pen: USB 2.03. Operating Systems for the USB pen, Windows Vista/XP/2000/ME/98/95 and ... above,4. Transfer Rate for the USB pen, High Speed USB 2.05. Data transfer speed for the USB pen, 15MB/s-21MB/s for read ... /s-8MB/s for write6. Compatibility for the USB pen, PC or Mac with a USB interface7. LED Indicator Light, LED Flashes when ...