Card reader for reading and writing SD/microSD memory cards ,- High-speed data transfer of up to 480 Mbps ,- Rubberized surface for improved grip and comfort ,- Suitable and tested for USB 2.0, backwards compatible with USB 1.1 , ,Memory Cards: ,- SD/SDHC/SDXC ,- MicroSD/microSDHC/microSDXC , ,System Requirements: ,- Operating system: Windows 10/8/7/Vista/XP and Mac OS 10.x