... 2.longest battery life 3.Function: ebook,video,FM radio,pic,music, 7inch ebook reader 1.7inch ... navigation 2.longest battery life3.Function: ebook,video,FM radio,pic,music,good qualityebook/ ebook reader /electronics reader ... and PartialRefreshYou can enjoy picture and music simultaneouslywith time display, calendar functionCPUChina chipMemory1-16GBVoice recordingYesBatteryPolymer Li-on battery ...