Harman Kardon GPS-310 4-Inch Portable GPS Navigator Text-to-Speech in English announces the next manuever by name such as the street name or highway. The GPS-310’s translation from Text-to-Speech is very easy to understand and natural sounding. 4″ WQVGA 480 x 272 High resolution widescreen provides an increased viewing area and detail making it easier to read instructions and street names The GPS-310 features a highly intuitive, easy-to-use interface. Minimal key strokes are needed to program […]