【APP CONTROLLED & WIRELESS CONNECTION】 Free download the app by scanning QR code.Perfectly compatible with iPhone and Android. 【MULTI COLOR & MUSIC CONTROL】 Over 8 colors and different tones for selection(Blinking, Flashing, Brightness, Etc), you can create your own unique color.The interior car lights will sync to music on your phone or any sound captured from microphone so then lights will change their colors following the music rhythm, making you feel like sitting in a music show scene. 【PERFECT CAR DECORATION】 Sound sensitive function, the color will change according to music rhythm.Great product to dress up your car, perfect enhancement not only for upgrading your car but also increase safety of driving in daytime and nighttime. 【EASY TO INSTALL】Assemble the car strip lights, then peel the back double-sided tape; it can be easily installed in the gap