Sunlight-readable, 4.3-inch backlit TFT color touchscreen display with 480 x 272 WQVGA pixel resolution Preloaded City Navigator NT North America (U.S. and Canada) Free lifetime map and traffic updates for the most up-to-date maps, POIs, and navigation info, along with constantly updated traffic information (vehicle power cable is traffic receiver) Advanced navigation features including voice-prompted turn-by-turn directions, lane assist with junction view, fuel-saving ecoRoute Integrated Bluetooth wireless technology with a built-in microphone and speaker for hands-free calling,Battery life: up to 4 hours