【Plug and Play】--- No App needed and no need to take out the camera's memory card. With the USB Camera Adapter, you can directly transfer photos and videos from your high-resolution digital camera to your Phone & Pad. After you connect the USB Camera Adapter, open the Photos app, which let you choose photos and videos to import, then organizes them into albums. 【Support Formats & peripherals】--- This OTG Adapter support peripherals: Digital camera,Flash Drive, card reader, Headphone,keyboards.★The maximum current of the peripherals does not exceed 200 mA.★With USB 2.0 speed, 14MB/S - 16MB/S.  【Connect the USB flash driver】--- for iOS 9.2-iOS 12, is the one-way transmite(from USB flash driver to iphone). Can only transfer the picture/video that was taken by camera, you can find them on Photos App. for iOS13+, is the two-way transmite. You can transsfer picture,video,MP3 files,MP4 files,Excel,Word,PPT,PDF on Files App