Good to know - With this 400 colorful LEDs string, you can let your imagination run wild and create original light decorations inside your home - It works with Amazon Alexa and Google Assistant - just ask them to change the setting from the comfort of your sofa - The Twinkly app gives you a full control over all the LEDs individually, so you can design any effects you want - be it vivid animations or subtle colours- Have your lights dance with you to your favourite tunes - just connect them to Twinkly Music sensor (sold separately) - The lights are easy to set up - just connect using Bluetooth or WiFi and you're good to go - You can virtually connect multiple Twinkly lights into one magical lights display