The Garmin nuvi 770 features a sleek design with a fixed (non flip-up) antenna, in addition to new software features such as route planning, trip logs, speed limit indicator, Where Am I?, and more. The built-in FM transmitter allows users to wirelessly transmit audio, including MP3s, phone calls and audio books, through the vehicle's stereo. The nuvi 770 comes preloaded with highly detailed City Navigator NT road maps for North America and Europe.The nuvi 770 is packaged with Garmin's FM traffic receiver, which allows users to avoid traffic congestion, accidents and road construction. Traffic services are now available in 68 major metropolitan areas in the US and Canada. Traffic receiver includes a 3-month free trial subscription.The nuvi 770 offer Bluetooth wireless technology for hands-free calling when paired with compatible phones. Users simply tap nuvi's screen to dial or answer calls and then speak directly into the unit's built-in microphone. In addition, users can look up phone numbers and dial them from the mobile phone's call history log that shows calls received, calls dialed and calls missed (for supported phones). If a user needs a phone number for their destination, they can easily find and dial it from nuvi's points of interest database, which includes hotels, restaurants, stores and much more. Full coverage mapping for the United States, Canada and Puerto Rico are included. The nuvi 770 includes detailed maps for Europe as well. The preloaded map data features nearly six million points of interest, including hotels, restaurants, gas stations, ATMs and attractions. The map data is provided by NAVTEQ, a world leader in premium-quality mapping.