Rotating Micro OTG And USB Smart Reader For Tablet CellphoneDescription:Compact design， easy to carry for on the go use.USB2.0 Interface. No external power supply required.Features:OTG & USB smart readerStandard micro USB 2.0 interfaceWork as a USB disk driveFor your smart phone and tabletSupport micro SD/T-FLASH seriesNo driver needed for AndroidPackage includes:1 x card reader