Connect car cigarette. Tear the double-sided adhesive tape and paste them on clean and dry surface. Scan the QR code by your phone (iPhone /Android) to download the APP. Turn on the light strips and Bluetooth first, and then open the APP to connect the light strips to Bluetooth, finally DIY your colors and modes on your phone.Turn on the light strips and Bluetooth first, and then open the APP to connect the light strips to Bluetooth, finally DIY your colors and modes on your phoneTurn on the light strips and Bluetooth first, and then open the APP to connect the light strips to Bluetooth, finally DIY your colors and modes on your phone..