Aisster(TM) USB 2.0 Flash Drive Memory Stick Pen Press Pull Thumb U Disk Size: Approx. 60x20x9mm Compatible with USB 1.1/2.0 Compatible with PC, Notebook, MAC Support Windows 7 / 8,Windows Vista,Windows 2000,Mac OS X, Linux. Please kindly select the capacity and the color according to your needs before purchasing.Thanks!