Adjustable Brightness Levels - 25%, 50%, 75%, 100%. 10 Color Options. Party, Nightlight, Relaxation, Starlit Dinner, Gaming Room. Auto Off Timer - 1 hour, 2hours, 3 hours, TIMER OFF. Built-In Bluetooth Speaker. Projector Dome, Star Laser Projector, Back/-, Next/+, Play/Pause, Bluetooth/USB, On/Off, Power Inlet, Brightness, USB Port. Highlights Dimmable Powered by USB Built-in Music Speaker via Bluetooth Adjustable Brightness 10 Colors Options(red, blue, green, white or multicolor)