USB On-The-Go is the latest technology for expanding the capabilities of your smartphone. With the Samsung Galaxy S2, Galaxy Note and the Micro USB converter, you can plug in USB flash drives to access your data, or a USB card reader to get photos straight onto your phone from your digital camera, and much more. The Samsung Galaxy S2 Micro USB converter is designed to be as small as possible given the functionality it is small so you can take it with you wherever you have your phone.