Easy to operate, please note the following points 1）Sd card reader for iphone & For ipad works with the newest i0S system and newest phone model. 2）I0S 13 and later version users, it support s to transfer photos, videos, EXCEL, WORD, PDF etc. between sd card and your iphone ipad each other 3）Just need one mobile phone Share your photos and videos of your professional cameras on your social network freely. 4）I0S 9.2-12.4 users, only supports one-way transmission from your SD/micro SD card to your i-Phone/i-Pad，！！！Do NOT support Wi-Fi SD card，DO NOT support for SONY high speed SD card！！