Smart, simple and easy to use, TomTom Navigator 6 is the best sat-nav solution for your PDA or mobile phone. The intuitive interface, crystal clear instructions and easy call handling make it the ideal navigation partner for the P3470. The touch interface and large 2.8in screen ensure the AGPS-enabled sat-nav is easy to use, and the HTC P3470 is truly mobile thanks to the long battery life. The HTC P3470 also includes a 1GB Micro SD card for mapping and other data storage.