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I searched for hours looking for a comparison between the two speakers, and couldn't find one. Hopefully google will take you to this review if you're looking for the same information! The bottomline is as follows: although the hardware is exactly the same between the two products, the internals are completely different and you will have a much better experience with the UE MINI BOOM. For the remainder of this review, I will refer to the MINI BOOM as UE and Mobile Boombox as Logitech (I know they are both owned by Logitech). I tried to pinpoint the major differences: - The UE mini boom volume is directly tied to your device's volume. No fine tuning allowed. The Logitech speaker has its own volume controls that let you dial in on the perfect volume for your environment (winner: Logitech) - There is an App in the Apple App Store that lets you see battery life and connect a second UE to have a stereo steup (winner: UE) - I played several songs over and over on the two bluetooth speakers and recruited a few friends to help me do a blind test. The UE is noticeably richer in sound and has a deeper bass. However, if you haven't heard the two devices side-by-side, you would probably still be very impressed with the Logitech sound quality (winner: UE). - The packaging on the UE is nicer, if you're in to that kind of thing (winner: UE). - Logitech is cheaper at the time of this review (winner: Logitech) You will need to make your call on whether the improved sound quality and battery meter are worth the extra X dollars for the UE. That being said, you will not regret your purchase no matter which speaker you go with. Update: Concerning the +/- buttons on the speakers. The UE physical buttons control your phone's volume - They have the same function as the volume slider directly on your phone. The logitech +/- buttons control the speaker volume, meaning you can increase the volume on your phone and decrease the volume of the speaker independently - great for dialing in a very specific volume.