... .5 inch TFT-LCD screen 1, 3.5 inch TFT- LCD screen 2, built in speaker , 3, support FM , gaming mp5 player with 3.5 inch TFT-LCD screenFeatures : Display ... E- book formats : TXT Lyric formats : LRC Data transfer : USB 2.0 Operating systems : Microsoft Windows Vista , Windows 98 / SE / ME / 2000 ... FM radio : 87.5 MHz 08.0 MHz Microphone : built- in Built in out speaker : 0.5 w SNR : 85db Language : ...