sport MP3 player with 1.8 inch TFT screen support FM radio and TF card reader function with removable back holder CE/ROSH Sport MP4 PLAYER with 1.8inch TFT displaySolution: Actions ATJ2117Support MP3/WMA/WAVSupport AMV format movie file(with convert tool)Support JPG/BMP pictureSupport TXT format e-book.Voice recordingTF card is optional (if no build in flash)Video playing: 3 hours, audio playing: ...