Your iPad or Android tablet may not have a USB port but that is not the end of the world. You could always connect USB sticks to your tablet or smartphone wirelessly. That’s what the iUSBport2 offers. It is a wireless USB drive with a MicroSDXC/MicroSDHC/MicroSD slot. The device can stream up to 5 HD movies to 5 different devices. iUSBport2 is compatible with iPhone, iPad, Android, and hundreds of apps that support HTTP, FTP, WebDAV, DLNA, and uPnP.
iUSBport2 supports 2 way file transfers between any USB drive and up to 12 different mobile devices at the same time. No internet connection is required for this to work. You can get it for under $100.[where to get it]