... Card32M~32GB TFcardE-BOOKSupport TXT, bookmark, auto turn page function, can set time for turning pageAudioFormatMP3,WMA,WAV ,AAC,OGG etc, FLAC ... *17.7mmBatteryCapacity1000mAh rechargeable lithium batteryPlay TimeConnect earphone for movie is about 2.8H, connect earphone for MP3 is about 10HAdapterInputAC100V-240VOutputUSB5V/1000mA ...