Hootoo TripMate on iOS - Manual (Page 9)

Step 5: Check your files transferred from USB Disk to your iOS device.
Tab once on “Done” on the top menu to go back to “My Device” to check the
files.
[Note] To transfer the files from your iOS device to your USB Disk is the same way.
Choose the files on “My Device” and download to “My TripMate”.
These are the files
transferred from the
USB disk to your iOS
device