Emtec Ekmmd4Gc250 C250 Usb Flash Drive (4 Gb; Red) 12 MB PER SECOND READ & 4.5 MB PER SECOND WRITE SPEEDS FLASH DRIVE MAKES TRANSFERRING FILES BETWEEN PCS, NOTEBOOKS & MACS QUICK & EASY AVAILABLE IN VARIOUS COLORS & STORAGE SIZES COMPATIBLE WITH WINDOWS XP/2000/98/ME, LINUX & MAC OS 4 GB