... 17hrs;E-book:8hrsEBOOKTTS(Support English and Chinese)Page Skip,Rotate, Auto Flip,Font,Smart Chapter DividingSave ... of EQ sound effectNoise Ratio>95dBRecordSupport MP3,WAV formatLyricsWhole page lyrics displayAudio ChipTop Cirrus, Independence Audio DecoderVideoFormat1080P, ... self select and self change the packgroundOtherDouble thread operation,Firmware upgrade, Timed power off, Key lock, Multi-track ...