This is an all-in-one memory card reader which supports CF / MS / SD / MMC / X-Flash card. This portable card reader instantly converts your card into a USB flash drive. Via this useful all-in-one card reader you can transfer photos music and other media and data between your computer and your cell phone digital camera PDA tablet PC digital picture frame or other digital device. This is a very useful and convenient all-in-one card reader for you. All-in-One card reader and three ports USB 2.0 Hub True USB 2.0 specification Transfer rate up to 480Mbits/sec LED working indicator light