1.u2764 u301015 High Quality Lullaby Songsu3011 Elegant Heart Shape Design Baby Sound Machine with 15 calm soothing sounds to soothe baby into a peaceful sleep, including white noise, shush sound, ocean wave, bird song and 9 different lullbies. 2.u2764 u3010Colorful Moon & Starry Night Light Display Projectoru3011 Press the light projector then a colorful galaxy of stars in darkness. The light button slowly fades into different colors to capture your babyu2019s attention and soothe them to sleep. 3.u2764 u3010Smart Baby Cry Sensoru3011 Built-In baby cry sensor to detect baby's crying at night to play music automatically, helps to calm baby sleep directly. No need for you to get up to calm your baby multiple times a night. Itu2019s rechargeable and lasts longer than disposable batteries. Just plug the USB cable when power has run out. 5.u2764 u3010Adjustable Volume & Brightness Levels & 30 minutes Default Timeru3011 - Change the volume of the sound and the brightness of the night light. Your little one will love how the star projector changes color on the wall or ceiling! The machine has 30 minutes default timer, music and light will auto-off after 30mins playing time, which help to save battery power and no need parents to shut it off at midnight.