... )/Google mapoffice softwareWORD, EXCEL, POWERPOINT, PDF, TXT,Audio PlaySupport formatsMP3,WMA,MP2,OGG,AAC,M4A,MA4,FLAC, ... songs searcing; Double thread operation; support firmware upgrade; video play, can free change the background of subject, ... etcchargingSmall-sized charger socket, DC9V inputearphone/video3.5mm earphone+Composite video out portotherssize/weight192 x128 x 12.8mm/440gbattery3500Mah / ...