Lightning auf USB-A Buchse, SD-Karte, Mikro SD-Karte Adapter 1. Support USB accessories like USB flash drives, camera, USB microphone, card reader, guitar, keyboards,, audio/MIDI interface, Digital piano, ethernet adapters etc. 2. Easily transfer photos from SD or if card to mobile phone or tablet, you can also easily read the cameras´s photos and trabsfer them to your phone 3. Applicable to various keyboard and mouse 4. The card reader and USB can be used at the same time, which is more convenient and fact.