The microUSB 2-in-1 OTG SD/micro SD Card Reader is a storage gadget for Smart Phone/Tablet/PC. This microUSB 2-in-1 OTG Card Reader not only connects to your computer but also to your OTG enabled SmartPhone/Tablet. With the built-in SD(HD) and microSD(HC) memory slots, you can get easy to increase your mobile device storage space. This 2-way storage device is the easiest way to transfer the data between your PC and mobile device.