Card reader interface: TF card slot 1/SD card slot 1/OTG interface. 6 In 1 USB2.0 USB3.0 Superspeed Card Reader:SD/TF/USB can be used simultaneously,give you more convenience in daily life and work. OTG Function:Include Type C/Micro usb/usb 2.0 3.0 ports,fit all your devices,you can share the picture or video directly,and save them to the SD card.Easy to check the driving record.