The LDesign Advantage: 4-in-1 Multifunctional Design, Compact and Powerful, Micro-USB to OTG USB 2.0 (USB On-The-Go) TF/SD Memory Card Smart Reader Adapter, supporting Android phone charging via Micro USB port
Micro USB Charging Port: Allow device to device OTG charge via Micro USB to Micro USB port. Note: Not directly charge your phone or tablet, need a USB charging cable
Micro USB to USB 2.0 OTG: Plug in your OTG capable tablet PC or Android phone to transfer data fast while connecting it with USB peripherals such as a mouse, U disk or keyboard to create the ultimate device
TF/SD Memory Card Slots: 2 card slots can read different types of memory cards: TF, SD, SD (HC), MMC, and Micro SD
Mini & Lightweight & Portable, 2.2inch in length, only weigh 0.53oz. Easy to use with Green LED indicator