Musicstorex&reg; 64GB USB Flash Drive Credit Card Style American Express (64GB, card orange) 64GB USB Flash Drive Credit Card Style American Express 100% brand new Support USB version 2.0 Fast data transfer rate (Read: 22MB/sec & Write: 3.5 MB/sec) USB 1.1 / 2.0 compatible Plug & play with Windows 2000 / XP / Vista, Mac 9.0 or above Easy to read and read in high speed ,No need drive/power supply only plug in.