1.USB flash memory disk(USB2.0) and high speed SD/MMC card 2.Used in mobile phone, computer, camera, PDA 3.Thinnest USB flash memory disk, easy to carry 4.Standard USB2.0 port, U disk fuction, SD card port 5.SD card size, compatible with SD card 6.USB2.0 port, driveless, no damage after using 1000,000 times 7.Highest speed of USB pprt:480M bps/s