Here is a cool light string with 400 multi-color nodes that can be used to make your Christmas tree more colorful. Twinkly lights are ready for your smart home. You get multiple light effects to choose from. The Twinkly app is compatible with iOS & Android devices.
Twinkly LED light strings can sync to music. They are compatible with Alexa and Google Assistant. You can download cool lighting effects or draw your own. Costs under $200 at the time of this writing.[where to get it]