4.3 inch GPS Navigation with MP3 MP4 Outside Speaker

>4.3 inch TFT touch screen, solution: 480*272.
> CPU: SIRF ATLAS IV 500MHZ
> Operating system: WinCE 5.0
> Storage: internal 64M Nand flash / external Micro SD card
> Types of operation methods: touch screen
> Functions: Navigation, MP3, MP4, JPG picture, textbook，calendar
> Numbers of signal receiver: 20 Channels
> Precision of Locating:Less than 10m
> Antenna: with GPS internal Antenna
> Battery: 1200 mAH lithium battery can be charged by exterior DC 12V, or can be charged by car lighter.
> DV IN: 5V
> with AV-IN (optional)
> with Bluetooth (optional)
> with FM transmitter
> with Outside speaker