... reversal function♦.Bluetooth telephone book♦.Built is PIP/GPS/IPOD;♦.Subwoofer output;4X50W maximum power output Other functions ... ,English,Russian,Italian, Turkish,Japanese,German,French,Portuguese,Arabic etc.♦.GPS menu of language: English, Japanese, German, French, Spanish ... main frequency exceeds 533MHz3.HD Screen:Original Hanstar;Taiwan4.GPS Module:NWD;MSD (USA SIRF4);Operation system: WINCE6. ...