Built-In Bluetooth Speakerour Night Projector Can Be Connected Via Bluetooth and Supports Wireless Playback of The Music You Want. Built-In Music: White Noise, Night Insects and Birds, Running Water, Ocean. The The Wonderful Projection Could Flash with The Music Rhythm, Creating An Immersive Sound & Visual atmosphere . 10 Lighting Modes10 Kinds of Projection 360 Degree Rotation, You Can Choose The atmosphere You Want. The Various Colors of Sky Night Combine with Dynamic Fantasy Projection at Different Speeds, Create A Relaxed, Romantic atmosphere . Timer & Brightness Adjustablethe Led Projector Adopts A Auto-off Timer Design, and You Can Choose 0.5 Hour, 1 Hour, 2 Hours, 4 Hours Timer Automatically off, Four Modes. There Are Five Brightness Adjustment Modes at The Same Time. They Are 20% Brightness, 40% Brightness, 60% Brightness, 80% Brightness, and 100% Brightness. It Is Definitely An Excellent Companion for Your Family to Sleep . Perfect Giftprojector Night Powered By Our Matched Usb Cable.You Can Use It On Many Occasions.Perfect for Children to Create A Pleasant and Relaxing Bedtime Experience, Soothe and Comfort Kids to Sleep. Suitable for Parent-Child Interaction, Confession, Indoor Lighting, to Set off The Party atmosphere, Etc . Remote Controlyou Can Use The Remote Control to Set Your Needs, and The Operation Is Not Limited By Distance. (The Operation Distance of The Remote Control Is 5-8 Meters.) Free Your Hands and Let Your Eyes Enjoy The Projector Floating Around The Room and Enjoy Your Leisure Relaxing Space .