Additional Details ------------------------------ Product description: 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*.