Audio Bibles that come in a preferred language and you can also use SD cards. That would allow you to use Eliyah's teachings.
http://www.renewoutreach.com/papyrus-solar-powered-audio-player/Another awesome tool is this:
http://www.renewoutreach.com/lightstreamAllowing you to be a wifi hotspot anywhere for teachings and bible readings. It can automatically download to people's devices. This is working out great in hostile countries spreading the Good News covertly, digitally.
Shalom
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"I have found truly joyful Christians only in the Bible, in the Underground Church, and in prison." Richard Wurmbrand, Tortured For Christ