OTG (On the Go) Micro USB card reader/writer for use with smartphones and tablets. Supports SDXC, SDHC, MMC, RS MMC, microSD memory cards, as well as USB flash drives. USB port allows USB peripherals to be connected (e.g. mouse, keyboard). No external power supply.required. Built-in micro USB cable.
Dimensions: 55 x 25 x 12mm