Lovely Dog USB Flash Drive for Xmas USB host interface: USB spec1.1/2.0, supports USB full-speed/high-speed transmission in Microsoft Windows Me, 2000, XP, Mac 9.0 above, Linux2.4 above, no driver installation needed Driver supports Microsoft Windows 98SE Password protection and data encryption prevents unauthorized access to data Application software supports Microsoft Windows OS security function with the application software resize (partition) Capacity: 64, 128, 256, 512MB, 1, 2, 4, 8, 16, and 32GB Customized logo printing/engraving are warmly welcomed Prior to imprinting we will send you a proof for approval (if requested) Packing: bulk, color retail box, gift box, tin box, customized design (optional)