Essential for your mobile lifestyle Back up contact information for your friends, family or business contacts before you switch phones Move the digital music library stored on your PC to your phone Download new apps for your mobile phone to your PC for subsequent use on your phone, without a network connection This card reader makes it possible to be ultra-mobile as well as transfer photos, video clips, music and other files from your mobile phone to your PC or from your PC to your mobile phone at any time. This card reader features a USB port and a memory expansion slot that accepts microSD/microSDHC/microSDXC cards. Combine the reader with a microSD/microSDHC/microSDXC card and you have the best mobile equipment for your mobile phone. This mobile device reader means that you can leave your USB transmission cable at home. Because the microSD card fits perfectly into the reader, there's no need for an SD card adapter.