Relax with multi-function Noise Machine with Speaker and LED Light Audio Dome offers 13 different white noise and nature sounds, or use 5W Wireless Speaker to listen to your own playlist to create a tranquil environment for sleep, calm, or privacy. Dome nightlight has 7-color changing LED lights or choose single color mode for soothing visual element to enhance the experience. With a playing time of up to 4 hours, this white noise machine speaker combination ensures long periods of unwinding.