The Sabrent CRW-MNAE All in 1 USB 2.0 External Flash Memory Mini Multi Card Reader & Writer provides an ideal solution for those who want the convenience and mobility to read and write the most popular memory cards. It can also be used as an effective hard drive to transmit large amount of data immediately between the memory cards and the host computer through USB 2.0 interface. With the USB 2.0 plug and play function, the installation is quite simple. No external power adapter is required, just plug & play. Technology has made it easy to snap high-quality digital pictures, or take music on the road with MP3 players, but sharing this data between devices wasn"t easy until now. Data can now be easily transferred from media to a computer or written to other media and shared with others! Fully compatible with USB 2.0 and 1.1, and support for full-speed 480 mbps, sharing files with others is quick and easy! The USB 2.0 interface provides a hot-swappable installation and the compact design allows for taking this device anywhere! It can also be used as an effective hard drive to transmit large amount of data immediately between the memory cards and the host computer through USB 2.0 interface. With the USB 2.0 plug and play function, the installation is quite simple. No external power adapter is required, just plug & play.