[6 optional themes+8 music] Reminder: Tear off the transparencies before use. The bright music Bebe has 6 different themes: lovers’ repentance, ocean, birthday, starry sky, Christmas, constellation, 8 built-in sleep assist music, and 6 light effects. You can choose according to 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 without turning off the baby projector at midnight. If you want to stay lit all night, just connect the USB cable to the power supply. The remote control allows you to control the children’s lamp in bed. In addition, the Bebe silent projector has lower noise, providing an ideal sleeping environment for you and your child [USB rechargeable] 1200 mAh rechargeable battery with built-in USB cable. The charging time is about 2 hours. After fully charged, it can be used for several hours. In addition, the sling is also added to the ceiling