* The Adapter features a USB Type-C interface, Just plug it into the USB Type-C port of your Acer Switch 3 Laptop SW312, then plug a USB Device or a SD or micro SD card. * Use the Micro SD, SD card reader to import photos directly to you Acer Switch 3 Laptop SW312. * It's the perfect accessory to go with your Acer Switch 3 Laptop SW312.