Everyday Relaxation Tool. Some of Natura's features: Relax with 34 nature and music sounds including: Ocean Waves, Babbling Brook, Rain/thunder storm, Singing Birds, Insects, Chirping Frogs, Wind Chimes, Ambient Space 1 & 2, Native American Flute, Piano, Ambient Dub, and Hand Drumming. Coax your brain into a different state with 64 Brainwave Synchronizer tones. Instantly access customized mood enhancement with 38 easy quick start Factory Presets. Choose a peaceful scene out of 14 Visualizations. Select your favorite color with the Custom Color Picker. Make up to 121 of your own favorite combinations with the User Presets. Control the length of your sessions with the Countdown Timer. Personalize your view with 20 Background Images.