Light show on your ceiling! Project a soothing, shape-shifting pattern on your bedroom or bathroom ceiling. This cool bedroom light lets you enjoy the magic of light and sound in the comfort of your home. Play music from any smartphone or computer with a 3.5mm headphone output with the included cable. Volume controls on the unit let you adjust the perfect level of background soothing sounds or any music you choose. Great for babies nurseries, kids rooms, bedrooms, & bathrooms! The night light projector features 4 color modes - Blue, Green, Warm White & Multi-Color so you can match the lights to your mental mood. Also a perfect gift for workaholics who like to unwind with a quiet bath at the end of the day. Create a romantic and cozy atmosphere with a push of a button.Simple out of the box - The ocean waves light can be powered by 4 AA batteries (not included) and also supports external USB and 4.5V DC plug. The built in timer will turn of the colored nightlight off after one hour so you can use the item as a sleep aid. connect the built-in Mini speaker to your laptop, Ipod, Iphone, Android or any computer with a 3.5mm output for intimate sound. Transform your environment! Each box includes the Ocean Color Changing Projector, 3.5mm Audio Cable, and USB AC Cable.