Through the 4 in 1 Audio Camera Connection Kit ,its incredibly easy to download photos from your digital camera to your iPad .It gives you two ways to import photos and videos.One is ti use USB cable ,the other is to read form SD/Micro SD card directly.  The Connection Kit supports standard photo formats,such as JPEG and RAW etc.  Besides,it supports PC keyboard input as well as imports photos form USB flash disk to iPhone/iPad/iPod Touch. Moreover,it allows you to charge iPhone/iPad/iPod Touch.via a micro USB cable.
Specification:
Operating Voltage:3.3V
Operating current:<100mA
Interface:L/SD Card/TF Card/USB Receptacle
W/R Speed:USB2.0 Speed(14MB/S-16MB/S)
Compatibility:Compatible with iOS 9.1 iOS 10 iOS 11 or later
Please note:    
1. The 4 in 1 Camera Connection Kit has 4 ports.However,USB port,SD port and Micro SD port can't be used at the same time.The port can be used together with any of above 3 ports.For example,you can charge iPhone/iPad/iPod Touch and put keyboard type at the same time.
2. If USB flash disk/Micro SD card/SD card directly use with this kit,you must create "DCIM" folder and named the pictures like "IMG_0001""IMG_0002""IMG_0003".
    for example you want to import pictures from your USB flash disk,you need to creat a file in your usb flash disk and named it "DCIM",then you need to copy your pictures to this folder and named them as "IMG_0001""IMG_0002""IMG_0003",after that you can plug in the adapter and import pictures to your phone.
3. This item can only transfer pictures and video from SD card to iphone/ipad. It is one-way transmission and can't transfer data from mobile phone to SD card.
Package Include(Retail Packaging):
1 x 4 in 1 to Camera card reader
1 x User Manual