... : K-820Design patent number: 201030138282.4 The smart mini projector with Android OS Now enables you project cord free , ... compression decompressionFile view(Directly)Support for Excel, Word, PDF,PowerPoint browsing, simple editing operations Support auto-browse,zoom.bookmarks.flip ... .)Connecting other devices for projection: wholesale smart mini hd projector with Android OS 2.1,wifi HD,Touch pad mouse ...