... , repeat play, random play, stop. Goto search, digital music location, PCB function, play message display.GPS(Optional)Operation system ... 4GS audio play.USB/SD/AUX port1 SD slot for music/movie, 1 slot for GPS Directly play MP3, MP4, WMA, AV1 ... Russian, Custom-made language is welcomed.Dual Zone functionEnjoy music while GPS navigationAdditional functionsWelcome your personalized startup LOGO Support ...