The StreetPilot c550 adds plenty of options to the easy-to-use, preloaded c510 and c530, including hands-free calling, included traffic alerts and an MP3 player. StreetPilot c550 comes ready to go right out of the box with preloaded City Navigator NT street maps, including a hefty points of interest (POIs) database with hotels, restaurants, fuel, ATMs and more.