When the Product is turned on, it enters the projection mode of 【northern lights in gradiently changing colors + green stars in breathing mode+moon & saturn projection】.NOTE: When the Product is turned on, the bluetooth is also automatically turned on. You can search for the bluetooth name ”WH-E12A“ , and connect to it to play the music in your cell phone via bluetooth. If the Product has not been connected after 10 minutes, Bluetooth will be automatically turned off.