USB flash drives of 1G, 2G, 4G, 8G, lead time: 3- ... available and various flash adopted] Multiple Operation Systems supported No driver needed in Windows ME, Windows 2000, Windows XP, Mac 9 ... later. Only Windows 98 and Windows 98SE need the enclosed driver 10 years data retentionMore than 1,000,000 times data ... , Partitions, Password Disk(some of the services should be charged). USB flash drives