Dunno about Alexa integration because I use the smart life app. These things were simply entered and connected to the app within minutes. You are looking very beautiful. The only complaint is that they flicker a bit when they're all at 100% brightness. But when I set the brightness to 99% the problem goes away. I love these lights and would definitely order them again and recommend them to a friend. I have attached a video of the music function.
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