This is the best GPS I have ever had. That being said, it can definitely be improved. It will NOT connect to a car, RV, or truck stereo system, so directional noise will be heard through the speaker system. It only connects to a Bluetooth mobile phone, so you can use all the features after downloading the Garmin Drive app. GPS has NO additional connector. It is sometimes difficult to hear the direction while driving. Other than that, it's definitely better than my previous GPS units. I would give it 4 stars if it allowed playing directions over the truck speakers.
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