... GIFVideo formatMKV,AVI,RM,RMVB,VOB,DAT,MP4,FLV(720P)Reader formatTXT,FB2, PDF,PDB,EPUB,SKT,HTMLFM radioSupport 76.00 ... Chinese and EnglishTTS(Voice reading)Only support TXT, HTML formatBatteryBuilt in Lithium Polymer( 2500 mAH)Standby time Music: 28 hours; ... Koogogo Science & Technology Co., Ltd is a professional manufacturer in Shenzhen, China. Our product category covers almost all consumer/digital ...