6 Optional Themes + 8 Music: There Are 6 Different Themes, Lovers' Confession, Ocean, Birthday, Starry Sky, Christmas, Constellation, 8 Kinds Of Built-in Sleep Aid Music, Also With 6 Light Effects, Which You Can Choose According To Your Preference And Environment, And Adjust The Brightness And Volume Accordingly. remote Control And Timer Off: You Can Set 15/30 Min To Turn Off Automatically, There Is Never A Need To Turn Off The Light At Midnight. If You Want To Keep The Lighting On All Night, You Just Need To Connect The Usb Cable To The Power Supply. In Addition, The Music Night Light Projector Is Less Noisy, It Provides A Sleeping Environment, Ideal For You And The Kids. usb Rechargeable: The Charging Time Is About 2 Hours. When Fully Charged, It Can Be Used For Several Hours. In Addition, A Hanging Strap Is Added To This Version, The Product Can Be Hung Anywhere You Want. Music Player: The Bright Projector Can Rotate Automatically, And You Can Control The Remote Control To Play Music, If You Combine The Two Modes, You Can Find Yourself In A Very Comfortable Romantic Atmosphere. This Projection Lamp Can Work As A Night Light For Kids, Just Turn The Lamp Cover And Peel Off The Film From The Black Lamp.