MegaVoice is the leading source of solar-powered digital audio Bibles. These digital audio Bibles are not only used by missionaries but also used for humanitarian and educational purposes by non profit organizations and relief organizations. The MegaVoice audio Bible is solar-powered making it very useful in places where there are no electricity. MegaVoice also has an expansive Scripture audio library with 8,400 Scripture titles in 4,600 languages and dialects. These devices are compact, discreet, and small enough to fit into a pocket. One of the most important features of MegaVoice players is that the message is secure, it cannot be edited or deleted by the end user. It also has a replaceable chip so you can replace messages when you need to.