ASUS Extension Kit for VivoTab-Series Tablets Made for ASUS VivoTab and VivoTab RT Works with TF810-Series, TF600-Series Adds full support for USB2.0, SD, SDHC, MicroSD, and MMC cards No setup needed, Instant plug and play USB connector adds a standard USB 2.0 port so your device works with anything that supports USB 2.0