Description: Noise Reduction: White noise can smooth out your auditory environment and reduce the effects of noise, which can cause poor sleep quality and disrupt your sleep cycle. Natural Speaker: 10 White Noise Options to Save Your Sleep Natural speakers easily solve insomnia and enjoy a healthy night's sleep. Sleep Fast: 8 music tunes are your favorite dishes and unique natural soundscapes to help you fall asleep fast. Perfect problem solving that meets the needs of the user. Sleep Aid Small Night Light: Simulates the changes in human respiration light to regulate through a process of light changes, accompanied by white noise music to help sleep from both physiological and psychological aspects. Smart Timing: Turn off the 3-step timing automatically after you go to sleep. Specification: Color: Gray, Black, Wood Grain Grey, Wood Grain Black Material: ABS, Screen Cloth Size: Approx.19.4x9x7.5cm/7.64x3.54x2.95 inch Input/Output: DC5V/2A Rated Power: 3W Working Current: 2A Battery Capacity: 2000mAh18650 Timing: 30m/60m/90m Use Time: 8-12 Hours Speaker: 52MM-4Ω-5W Ambient Light: 9 Color Ambient Night Light Internal Music: 8 Tracks Charging Interface: Type C White Noise Source: Cricket, Birdsong, Streams, Waves, Wind and Snow Fire, Waterfall, Rain Thunder, Phoenix, Cicadas Crickets, Fetal Heart Monitoring. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Smart Sleeping Aid (1 Piece Type-C Charging Cable, 1 Piece Specification, 1 Piece Certification of Soundness, 1 Piece Bag).