Compact USB 3.0 SDXC/MicroSDXC Card Reader/Writer Supporting SDXC and MicroSDXC cards of up to 128GB, IOGEAR's Compact USB 3.0 Card Reader/Writer is the perfect companion when you need to upload HD videos, high resolution images, or any other files that require high capacity. The slim and compact design allows for travel use as you can easily take it with you anywhere- giving you the freedom to share content from your smartphone, or tablet anytime. The GFR305SD is compatible with current generation card formats including SD, microSD, Mini SD, and MMC. Memory Card Reader for Smartphones, Tablets and Cameras USB's SuperSpeed transfer rate of up to 5Gbps is ideal for moving large files such as full-resolution photos, documents and videos between computers and mobile devices. The GFR305SD is the perfect companion for smartphones, tablets, cameras, etc. USB 3.0 Memory Card Reader for PC and Mac The Compact USB 3.0 SDXC/MicroSDXC Card Reader/Writer is compatible with Windows supported Operating Systems and Mac OS X with default driver.