1.With WIFI function 2.16-level gray scale 3.Linux OS 4. ... weeks standby timeCharge time4 hours by charger, 7 hours by USB cable. Only the former still can reading,listening when it ... , GIF, Animated GIF, MP3,FLASH, Founder’s new format CEBConnect USB,WIFISpeech Technology support txt,EBA file Other automatic read 5 ...