Flylinktech Led Night Light Projector Ocean Blue Sea Waves Projection Lamp with Speaker Daren is a wave of new mini-wave projection lamps, modeling simple, easy to use Apply to bathrooms, the living room, bedroom or any space, reproduce the sparkling sea at any time a glorious natural beauty allows you to feel as immersed in the deep sea calm and the sea embrace peace, creating a romantic, leisure and cozy atmosphere of the space to achieve physical and mental relaxation effect. It is also a small stereo, allows you to enjoy the beautiful environment, but also can enjoy the wonderful music This product is the use of 4 AA batterier, 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), built-in Mini speaker can be as ipod, mp3 speakers, features intimate and easy to use.