JUSTUP Soothing & Relaxing Ocean Wave Projector LED Night Light with Built-in Stereo Speakers (12 LED Bulbs - 3 Colors) Creates an enjoyable and relaxing bedtime experience for children. Also perfect for adults to attain a relaxing and calming effect in the bedroom, living room, bathroom or spa. Helps drift into a calm and peaceful sleep. Plug your iPod, MP3, Smartphone, etc. into the built-in speaker to compliment the serene atmosphere with relaxing music (3.5mm Aux-in cable included) Transforms the room into a tranquil & relaxing underwater oasis. Projects relaxing water waves on the ceiling in 3 colors for a soothing bedtime effect. Power: 5V DC Adapter (included) or via USB plug (included). Can also be powered by 4 "AA" batteries (not included) :: Safe; night light stays cool :: Features an auto shut-off; 60 minutes sleep timer. Can also be shut off manually.