The Logilink CP3071U is a USB 2.0 Multi-Card Reader and Writer. It has a slim and compact design, making it ideal for use with all types of digital media including SD, microSD, SDXC/HC, Memory Stick, M2 and MS Duo. It has a USB data transfer rate of up to 480 Mbps, making it fast and reliable. It is compatible with Windows XP, Vista, 7 and 8, as well as Mac OS X operating systems. It also comes with a 3-year manufacturer's warranty.