... 5 inch GPS Navigator 2. Bluetooth, Av-in, FM, Ebook 3. MP3 , MP4 , Game Player 4. SiRF Atlas-4 Model Number: D-550Size: 5'' GPS Navigation ... , Car GPS, GPS Navigator, Portable GPS- 5" Digital screen, 64K color with touch panel - ... s - Localization time: 0.1 s FUNCTIONS:1. Voice navigation: route planning, voice reminding, report the road names.2 ...