Ocean Wave Projector: 45-degree adjustable projector with 12 LED lights and 8 colorful lighting modes with adjustable brightness. The built-in LED rotates freely, projecting a beautiful ocean effect onto ceilings and walls to create a relaxing room atmosphere. Ideal for interior decoration, mood lighting, night lights, and bedside lamps. Unlike starry sky projectors, this device features flowing water patterns instead of stars. Includes 6 sleep-aid sounds: ocean waves, natural forest insects, seagulls, brook birds, cheerful nature, and 2 lullabies. Built-in speaker allows playback of personal music via TF card or external audio devices such as mobile phones, computers, or tablets. Silent mode available. Natural sounds are designed to promote relaxation and support sleep. Offers 7 ocean wave effects with different color combinations and wide-angle projection for enhanced coverage. Adjustable projection angle allows customization of direction and spread. Remote control enables operation of all functions including brightness adjustment, timer settings, and rotation control. Timer options include 1, 2, or 4 hours for automatic shutdown. Device automatically powers off after 2 hours of inactivity upon startup.