I buy this Garmin nuvus 1350lmt 4.3-inch portable GPS navigator with Lifetime Map & Traffic Updates recently . it take I 4-5 hour download the update map as expect . but I be not very happy with the distorted sound when it be give I direction . I return the product and request for a replacement . it only take 2 day which I be very pleased . however , to my dismay , the replacement product have the same distorted sound problem .