Ocean Waves Projector LED Night Light Music Player Ocean Lamp Speaker Blue Light (8 Modes) 12 RGB led lamps create 8 brightness modes of ocean wave lights. They are romantic and relaxing lights which can provide a relaxing bedtime experience for both children and adults Built-in Mini speaker can be as ipod, mp3 speakers, features intimate and easy to use. Easy powered : This product can be powered by 4 AA batteries, also supports external USB and 4.5V DC plug, automatic sleep function, an hour later automatically closed ( you can also press the key to close it or to open). The projection light has no music itself. Music including the sound of the waves need to be downloaded to your MP3 ,phone or computer.Plug in the audio cable you can enjoy the wonderful music! Also can be used as a mini speaker ! Apply to bathrooms, the living room, bedroom or any space.