5 in 1 otg SD card reader interface type: micro USB compatible device: device with otg function and micro USB 2.0 Port. Function: you can use this connector to download photos from your digital camera to your smart phone or pda with micro USB port. It gives you two ways to import photos and videos. One is using USB data cable (not included) to connect a digital camera, the other is directly read SD card. In addition, the device interface to connect an external USB pc keyboard, you can enter information through the pc keyboard.Easy to download photos or videos from the digital camera.,Can download by card or USB cable directly.