... transmission2.Support MP3/WMA/WAV/ASF format3.Electronic lock fuction4.Buit-in FM,save 30 preset channels5.OLED color screen display6. ... .Support MP3/WMA/WAV/ASF format3.Electronic lock fuction4.Buit-in FM,save 30 preset channels5.OLED color screen display6. ... detailsEarphone, charger,USB cable, user manu,crystal box mp3 player 1gb to 8gb The MP3 algorithm development started in 1987, with a ...