8 different light modes & 3 adjustable brightness: there are 8 different colour combinations, beautiful dynamic light waves in the full room at night, a really beautiful pattern on walls and ceiling, very calming. Convenient remote control and touch sensor: The Ocean Wave projector can be operated either on the projector itself or via the remote control. The remote control has other settings including light brightness and volume control and timer setting. Bluetooth Connection: The projector can be used as a Bluetooth speaker to listen to music on your phone, tablet, computer or MP3 via Bluetooth pairing. The Bluetooth mode must be transmitted via the remote button. Timer function: With the 2/4 hour auto shutdown function, the light does not need to be turned off at night. It provides a better sleeping or resting environment for you and your baby. Wonderful choice for children or adults as a snooze light: the projector lamp makes a beautiful light effect and the natural sounds makes a soothing and cosy atmosphere, is very helpful for falling asleep. Specifications: Material: ABS+AS+hardware+electronic components Power supply mode: host USB cable plug in / remote control 2 AAA batteries (not delivered) Bluetooth version: 5.0 Voltage/Current: DC5V/1A Rated power: 2W Speaker parameters: 4 ohms / 3W Response frequency: 160Hz-20KHz Motor parameters: 5V 13 rpm/0.5W USB cable length: 1M Audio cable length: 0.6M The height of the ocean light projection is 2.5-3 meters, and the area is 10-15 square meters.