Optional themes 8 kinds of music: there are 6 different themes, love confession, ocean, birthday, starry sky, Christmas, constellation, built-in 8 kinds of sleep aid music and 6 kinds of lighting effects , you can choose your preferences and environment and adjust the brightness and volume accordingly. Remote control and timer off: you can set 15/30 minutes to turn off automatically, no need to turn off the lights at midnight. If you want to keep the lights on all night, just connect the USB cable to a power source. Plus, the music night light projector is less noisy, providing an ideal sleeping environment for you and your child. USB Rechargeable: Built-in rechargeable battery with USB cable. Charging time is about 2 hours. When fully charged, it can be used for several hours. In addition, this version adds a strap to hang the product anywhere you want. 360 degree rotation and music player: the projector can rotate automatically, you can control the remote control to play music, two
