A:AnswerMine broke after 3 weeks as well. First it stopped changing color, then half of the tree stopped lighting up & then it went out all together. I think they are faulty, likely why they went half off. Best Buy will not take them back after 15 days either.
A:AnswerYou can choose just one color if you want. You can also set it to auto and it will run through all the colors and modes. It's awesome I just bought a 2nd one