Magellan Maestro 4250 Auto Navigation System Bluetooth compatbility for business mobile user who requires hands-free cell functionality Text-to-speech feature calls out turns by street name ; 4.3" QVGA full-color anti-glare touch screen display ; NAVTEQ ON BOARD includes pre-loaded maps of the 50 United States, Canada and Puerto Rico 6 million searchable points of intrest (POI) ; SmartDetour prompts users to route around heavy or stopped freeway traffic ; SiRFstarIII fastest GPS position acquistion in the industry ; QuickSpell intelligently searches and checks spelling when entering addresses New look and function with an ultra-thin, stylish industrial design ; Integrated rechargeable battery holds it's charge for up to 3-hours ; 3 3/4" W x 4 7/8" W x 5/8" D Includes built-in AAA travel information, AAATourBook, AAA member roadside assistance details and AAA show your card and save member discount locations