Features:- Relaxing blue LED mimic the movement of ocean waves.- Perfect for the bedroom， living room and more.- 3.5mm audio jack and built-in speakers.- Excellent for parties or get-togethers.Specifications:- Can use 4 AA batteries or USB power (Battery not included)- Dimension: 5.3*5.3*5in (13.5*13.5*12.5cm)- Material: Plastic- Color: White With Blue- Center button: Power- Left button: Volume UP- Right button: Volume DOWNPackage Contents:- Ocean Projector- 3.5mm Audio Cable- USB AC CableEasy to use: 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.Glorious natural beauty: Reproduce the sparkling sea at any time， 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.Enjoy your life: It is also a small stereo speaker， allows you to enjoy the beautiful environment， but also can enjoy the wonderful music.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)， built-in Mini speaker can be as ipod， mp3 speakers， features intimate and easy to use.What you get: Ocean Projector， 3.5mm Audio Cable， USB AC Cable， AC Adapter