27 lighting modes: The starry sky projector has 27 lighting modes and 15 different lights, can be combined into different modes such as sleep, car, sound and flash. You can choose the mode you want according to your mood. Bluetooth speaker and TF card: The star projector has a built-in speaker. You can connect the projector to your mobile phone’s Bluetooth or insert a TF memory card (not larger than 32G) to play music. In music mode: press the “SOUND MODE” button or tap the “SOUND MODE” button or tap. The starry star and the water waves change with the rhythm of the music. Sleep mode & Timer function: 3 sleep modes provide children with a soft sleeping environment so that they can sleep well. And the projection lamp has the timer function and 5 dimmable levels, the device will automatically shut down after one hour. 2 control methods & Multi-angle design: You can control the starry sky projector not only by the remote control, but also music mode, starlight mode, etc. by touching the