The TomTom GO 520 World ensures that you'll always arrive at the right destination. Throughout the lifespan of the device, you'll never have to deal with outdated maps, because they update via WiFi. The GO 520 lets you make hands-free calls, so that your car ride becomes a lot safer. The SMS messages from your smartphone also come in on the car navigation and the TomTom Go 520 reads them out for you. Connect the TomTom to your smartphone via Bluetooth for real-time traffic updates. That way, you won't end up in unexpected traffic. The maps are equipped with buildings and landmarks in 3D, so you'll always know exactly where you are.