PORTWORLD Animal Series Purchase 16gb Crystal Beetle Style USB3.0 Flash Drive Writing :12-30MB/S,Reading:25-40MB/S Compatible with Windows 2000/XP/Vista/7, MacOS 10.4 or later Easy to read and read in high speed ,No need drive/power supply only plug in. Plug & Play, Make the ideal gift for anyone who needs to move around different computers. Exquisitely Detailed Designer Style USB FLash Memory,Ready for giving to your friends and family.