1. Recording. IOS system cannot directly removed the tape with each other, only can transfer out by Email, Now you can put the data transfer out without network as long as using the recording function of i-flashdevice. 2. Contacts backup. IOS system cannot backup contacts, i-flashdevice can realize to backup and restore without network. 3. Mobile office.You can rapid modified the document in i-flashdevice and transfer out by Email or 3G/4G at any time. Make your office work portable and shortcut. 4. Share. You can copy/cut files between IOS device and SD/TF card just use for . Free to share the files, Videos, music in your i-flash drivelide with your friends. 5. Please note that due to different batches, there may be differences in the appearance, color, and printing of the product, which will not affect its use Compatible models: for Pro 2016/2017 13 and 15 inches,for 7, 7 Plus, 6, 6s, 6 Plus, 6s Plus, 5, 5S, 5C, 5SE,for Pro, Air, Air2, 4, mini 2, 3, 4,for LG G5 G6 V20, 5X 6P, Galaxy 3 S4 S5 Note2 3 4 5, S8, S8 Plus. Other Android Smart Phone/tablets.(Please mark sure your phone support OTG/Type-C function.) Function:(For //) NOTE: Never use both connections simultaneously. Insert no response:(Please inserted memory card into card reader first, then plug it to phone.) For OTG/Type-C Android phone: 1. Please enable OTG storage function in the Phone's setting menu. 2. for Google 5/6/7/9/10 with help of app such as for USB OTG file manager, ES file explorer, media importer. For IOS //: 1. Please Uninstall the old app, then re-install the latest app named "i-flashdevice". 2. Please format your memory card to FAT32 system. IOS system not compatible with NTFS & exFAT formats. size: 81 x 51 x 11mm Material: PC+ABS colour:white Package Contents: 1 x Card Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.