Sony Japan has unveiled its latest GPS Navigation device which has been dubbed the Sony Nav-u NV-U37. The Nav-u NV-U37 is a waterproof GPS Navigational device that comes with IPX5 certification, which means it is ideal for multi-use, it has a 3.5-inch LCD display with a native resolution of 320×240. It comes with a maximum storage space of 8GB onboard plus it is also capable of being extended using its memory card slot. The Nav-u NV-U37 gets a battery that will deliver up to 9 hours of navigation from a single charge to its Japanese users, it also offers music and video playback as well as the ability to display still images. It is expected to be launched in June for the price of 38,780 Yen in the colors of White, Black or Yellow.