1. Immersive white noise experience, built-in 32 square white noises, such as delicate rain, gentle waves, quiet , etc.2. Colorful sleep-aiding lights, equipped with colorful sleep-aiding lights,Light system, using 5050 fantasy color LED technology,Soft colors and varied3. Smart Bluetooth playback, support Bluetooth 5.0 high-speed connection, seamless docking with your mobile phone, tablet and other devices4. Smart clock and alarm clock, built-in high-precision clock module, clear display of time, and support for personalized alarm settingsInput voltage: DC 5V/2AWorking power: 3WSpeaker: 52MM-40-5WWhite noise source: 32 songsMusic: Bluetooth playbackDecibel: 35-45dBLED: 5050 fantasy colorsLighting: 8 types, 3,000 color temperatures.Timing: 30min/60min/90min/120min/240minCharging time: 1.5HUsage time: 5HCharging interface: Type-CColour:Light GrayMaterial:ABSPackage Contents:1 x Music sleep aid1 x data cable