Lifelong free updates, we have pre-loaded the latest US and North American maps for your satellite navigation, if you want to update the map, please contact us and we will provide you with an address for your download 7-inch touch screen. Built-in 8GB memory, 800 * 480 TFT LCD touch screen. Clear, sensitive, light touch. Color feels natural, hd feeling Provide smart route planning and sound alerts, tell SPEED LIMIT and estimate arrival time. Help you drive safely Support multi-country voice, video player, music player, photo search function, Real men and women broadcast the function, support MP3, MP4 function can let you enjoy the fun of music, video play,