7 inch Car GPS Navigation,Mstar 500MHz, WINCE 6.0,DDR128MB,HD 800* ... received through Speaker Newest 7 Inch navigation GPSMain System Information: - Chip Type: MSR2112F- Frequency: 500MHz - DDR SDRAM: 128 MB - Internal Flash ... .Power Source: Rechargeable Lithium Ion battery (LI-ION) 7 inch Car GPS Navigation,Mstar 500MHz, WINCE 6.0,DDR128MB,HD 800 ...