Harman Kardon GPS-510 4-Inch Widescreen Portable GPS Navigator and Media Player Text-to-Speech in English announces the next manuever by name such as the street name or highway. A Real-time traffic reciever is integrated allowing the unit to receive notifications of traffic 4" WQVGA 480 x 272 High resolution widescreen provides an increased viewing area The GPS-510 features a highly intuitive, easy-to-use interface. Minimal key strokes are needed to program an address Full-featured digital audio & video player is included to make it a great personal media player