Transfer data from your SDHC, microSDHC, Memory Stick, Memory Stick PRO, and Memory Stick Micro (M2) media to your computer via USB 2.0 Type-A technology with the 4-in-1 USB 2.0 Card Reader. This card reader is USB bus-powered so you don't need an additional power supply. It is also small and lightweight, making it easy to carry. Included is a protective cap to help shield the USB port when it's not in use. This USB card reader easily expands SD slots on your computer for card reading and writing at super speed. It can read and write on two cards simultaneously to keep you away from the hassle of constant unplugging and re-plugging.