... to some extend. 5.Supports file formats: TXT, HTML, PDF, EPUB, PDB, FB2, CHM, RTF,TCR, OEB, OPENREADER6 ... USB 2.0 (charging)Internal Memory256MBButtonTBDSpeakerAvailableFile Format CompatibleText:TXT, HTML, PDF, EPUB, PDB, FB2, CHM, RTF,TCR, OEB, OPENREADERImage ... Speech TTS for optionalContent Partners N/ABattery Life 12000 page turnsPower Source2,100mAh lithium batteryOSD LanguageChinese, English and ...