Description: The PQI Travel Flash Single Slot USB Reader/Writer is an external Flash Media Reader that connects to your computer via the USB port. This Reader enables you to transfer the data in your digital device (digital camera, PDA, or MP3) directly to your computer without having to connect your digital device directly. This will not only save time but the battery as well! This PQI-USA Travel Flash Single Slot Media Readers is for Memory Stick. This USB Media Reader provides a true plug-and-play user experience on both the PC and the Mac. Can I plug this into my USB port without turning off my system? Absolutely! This USB Reader offers hot sync capabilities!