This USB multi-card reader is compatible with many different memory cards. It makes it easy to read all your memory cards in one device, and its compact design makes it easy to take with you. This is a great device for anyone who needs to transfer data between memory card and computer or vice versa. Read memory cards from your cell phones, tablets, MP3, MP4 players, photo, video and action cameras,... with this player. Simply remove the card from your device, plug it into the appropriate reader slot, then plug the USB drive into a port on your desktop or laptop computer. You will be able to access all the content in seconds. Being so small, you can fit it in your bag, purse or pocket without any problem. The USB card reader offers a high-speed USB 2.0 connection, but is also backwards compatible with ports USB 3.0 and 1.1 and uses simple plug-and-play technology, so it doesn't require a difficult setup process. Just plug in the USB and in moments you'll be transferring your files with ease. Supported Formats: SD/SDHC, Micro SD/Micro SDHC, Mini SD/Mini SDHC, TF, DV, MMC, MS PRO, MS DUO, M2. USB 2.0 480Mbps. No additional power supply is required. Plug-and-play compatible: Windows (XP/Vista/7/8/10) Mac OS X, Linux 2.4 or above. Dimensions: 54 x 20 x 12mm. Weight : 10g Note: This item does not include memory cards.