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Title: Zummo 550
Review: This really is da bomb for a motorcycle GPS. I have had 3 others and after much research went with the 550.I would go 5 stars but like others may have mentioned.... the MP3 player cannot be used unless the unit is in either the car cradle or the motorcyle cradle with external power connected. The headphone jack is part of the cradle not the GPS body. What this means to me is... I can't just pop it off the bike and listen to music in my tent/hotel or around camp. It is not a dig deal since I have a mp3 on my cell phone but it would be a nice feature to have.
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