PRO-Gear XM-4U is an all-in-one, read and write device for today's most popular flash memory card formats. It brings you the benefit of ultra high speed digital data transferring between your personal computer and your personal electronic devices, such as Digital Cameras, MP3 players, PDAs, Digital Camcorders, Pocket PCs and many more that adopt the flash media formats supported by this product. Utilizing the most widely equipped USB (Universal Serial Bus) interface of your computer, PRO-Gear XM-4U is based on latest USB 2.0 technology and is capable of transferring data up to 480 Mb/sec, which is 40 times faster than regular USB 1.1 interface. Convenient feature like Plug-and-Play makes it easy to setup on your computer.