1. 3.5 inch GPS Navigator 2. Bluetooth, Av-in, FM, Ebook 3. MP3 , MP4 , Game Player 4. SiRF Atlas-4 Model Number: D-1800Size: 3.5'' GPS Navigation, Car GPS, GPS Navigator, Portable GPS- 3.5" Digital screen, 64K color with touch panel - Resolution: 320*240 - CPU: Centrality (SiRF) Atlas-4, dual-kernel. CPU 525MHz - Operating System: Microsoft Win CE. NET6.0 Core Version - Aspect Ratio: 16: 9 - GPS ...