The smart led strip lights Bluetooth APP hasfivemodes. 1)Static mode, which you can choose more than16 million colors, and you can individually mark your favorite color below. 2)Dynamic mode, which you can choose213+ colorchanging style. 3)Music mode, which the light will dance with music. 4)Mic mode, which you can make the usb powered led strip lights sync with music. 5)Timing mode,which you can set the led light strips on/time when the strip is powered on. NOTE:Only one mobile phone can be connected to the light strip at a time.If you want to switch to another phone, make sure that the previous Bluetooth connection is disconnected. Adjust the brightness of the light according to your needs, dont worry about the light is too bright for your eyes Timer switch can be set to turn on and time Widely Used: Suit for home decoration, such as bedroom, room, kitchen, wall, stairs, wedding, living room, party, bar and festival etc. 1.Connect the led strip lights to the hub; 2.Connect the longest led light strip with the 3-key controller and usb; 3.Keep the surface clean and dry before installation; 4.Tear the sticker on the back of the light strip; 5.Paste the Firework led light strip to a suitable position; 6.Connect the USB to power then enjoy your smart color changing firework led lights!