Projector and Water Wave Light: The Projector Has 4 Colour Combinations of Red, Green, Blue and White As Well As A Twisted Water Wave That Creates A Quiet Or Dynamic atmosphere. for Example, It Projects Wave Lights and Sparkling Stars So That You Feel Like In The Galaxy. . Bluetooth Music Player and Usb Connection: This Led Projector Can Play Music and Create The Desired atmosphere When You Play with Your Child Or Meet Your Loved One Indoors. The Projector Supports Inserting A Usb Flash Drive. . Voice Control and Fantasy Design: The Flashing Mode of The Projector Can Be Activated By Sound, and It Looks As If Many Stars Shine On The Sea. with The Sound Sensor, You Can Change The Colour According to The Rhythm of The Music Or Clap In Your Hands to Achieve A Disco Effect. . Remote Control and Timer Function: Use The Remote Control to Operate The Projector from A Long Distance. Set The Automatic Shut-off Time As Needed. It Is Useful for Parents to Help Their Children Fall Asleep. You Can Also Adjust Brightness, Volume, Etc. . Ideal Gift for Any Family: The Projector Creates The Romantic / Quiet / Vibrant atmosphere You Need By Combining Rich Changes and Bluetooth Speakers. Suitable for Solo / Dating / Family Reunion / Holiday Party. and Its Diverse Playing Methods Can Stimulate Children'S Wonderful Imagination and Creativity. .