... , video, photos, music,a project can be fix. Business:Support TXT and PPTdocuments, video, pictures etc with various formats. ... ,update to16GBMobile U disk functionMobile U disk function, support the firmware update (TF)Battery capacity2600mAhProjection time with ... , delete and mobile operators.Recorder functionsupport MIC recordings, support WAV/MP3 format ,set the tone,.EbookSupport ebook reading ...