High sensitivity integrated GPS receiver;WAAS enabled with flip-up antenna;Built-in travel kit menu includes sample language guide, MP3 player with sample MP3s, audible book player with sample audio books, picture viewer, world clock, currency & measurement converters & calculator ;Handsfree Bluetooth(R) wireless technology interface;Integrated microphone & speaker ;Simply tap the screen to answer calls & speak directly into the unit's built-in microphone;Personalized phone book with phone call history log;3D mapping perspective or 2D overhead view;Preloaded with highly detailed City Navigator NT maps containing detailed road maps throughout the entire United States, Canada & Puerto Rico;Features nearly 6 million points of interests including hotels, restaurants, stores, gas stations, ATMs & attractions;Map data provided by Navteq(TM);700 MBs of internal memory for storage of supplemental maps, MP3s & audio books;Secure Digital Card(TM) expansion slot;Text to speech unit; Audible & visual navigation instructions & warnings;Includes 12V power adapter cable & suction cup mount with external microphone jack.