TeleType has released a successor to its innovative product line that blends cutting-edge vehicle GPS navigation with MP3 and Video player technology. The all-in-one device, called the WorldNav 3100, is a portable car navigation system that offers door-to-door GPS guidance with simple spoken instructions. The new GPS has a built-in battery, high resolution screen, beautiful form factor, and pleasant sounding voices. The WorldNav 3100’s exciting convergence of portable in-car navigation with the immense popularity of the MP3 player, video player, and picture viewer, makes it possible for travelers to not only reach their destination with greater efficiency, but to easily carry along their favorite music, videos, and pictures.