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 an address, look up points-of-interest or find the song you want to listen to. Full-featured MP3 player allows you to search by artist, album, genre, song or playlist and displays album art. Shuffle & repeat mode also included. A SD flash card slot is provided for accessing music stored on SD or SDHC cards (card not included). Complete, preloaded maps of the U.S. including Hawaii, Alaska and Puerto Rico as well as Canada are included.