iAUDIO U5-04WS U5 4GB MP3 player (White and Silver) 1.8 inch TFT LCD display with 128x160 resolution and 65K colors MP3, WMA, WAV Playback / FM Radio, Recording / Voice Recording Long Contiunous Playback Time: Up to 24hours (Based on company test result. Play time may be shortened if TFT LCD is used often.) Various EQ and Sound Effects (JetEffect) Support Clock, Alarm, Scheduled Recording, Sleep Timer, Auto Power -Off