This USB 3.0 card reader easily expands SD,TF and CF slot on your computer which is perfect to transfer files from your camera/mobile phone’s digital memory card to your PC. The card reader features plug & play technology so it is easy to install. A good companion for PC. Features: USB 3.0 high speed transmission, compatible with USB 2.0 and USB 1.1. Support for 3 main category cards CF/SD/TF. No driver needed, user-friendly performance. Compact and light weight design, easy for both laptop and PC users. Durable and resistant soiling wire rod. Specification: OS: for Windows XP/Vista/7/8, for Mac OS9.1x Memory card: SD/SDHC/SDXC/Micro-SDHC/TF/Micro-SDXC/T-Flash/CF Package weight: 72.3g / 0.16oz Package size: 19 * 14.5 * 2.5cm / 7.48 * 5.70 * 0.98in(L * W * H)