HT-IM001(32GB) is MFi certified and 100% compatible with the iOS devices.Image: bmp, gif, jpg, tif, png,tiffMusic: m4a, aiff, caf, mp3, wavVideo: avi, divx, flv, m4v, mkv, mov, mp4, mpg, rm, rmvb, ts, vob, wmv, 3gpDocument: doc, docx, ppt, pptx, xls, xlsx, key, numbers, pages, pdf, html, txt, rtfDevice Support: iPhone, iPad (iOS 8.0 or higher), Computer OS Support Mac OS X v10.6 , Linux,Windows Vista®, Windows 7, Windows 8We also provide another good resolution for you to "expand" the limited space of your smartphones and tablets. Four choices for you as below:1.) USB 3.0 flash drive with lighting connector (iOS OTG drive, HT-IM001/002）2.) Travel router and wireless streaming device (Android/iOS support) - TripMate Nano (HT-TM02)3.) Travel router, power bank, wireless streaming device (TripMate Titan/ Elite, HT-TM05/06/01)4.) SD card USB reader, travel router, file manager, wireless streaming media - RAVPower Filehub (RP-WD01/WD02/WD03)And you can plug HooToo flash drive to USB port on Tripmate and RAVPower Filehub to work perfectly together.Please Note: 1)TO ENSURE THE BEST CONNECTION, PLEASE REMOVE YOUR PHONE CASE.2) you could not transfer iTunes Music and Video files to flash drive or downloaded by the 3RD APP, as they are DRM (Digital Rights Management) protected.