General description Sleep White Noise Portable Sound Machine is designed for adults, kids, and babies, providing 30 soothing sounds to enhance sleep quality and relaxation. Its compact design makes it easy to carry in a handbag or suitcase, and it can be attached to strollers with a lanyard, making it perfect for travel. Technical specifications Color: White Material: Plastic Volume Levels: 32 adjustable levels Timer Settings: 30 mins, 60 mins, 90 mins Measurement Error: +/- 1-3 cm Compatibility and accessories Includes: USB-C charging cord (USB adapter not included) Installation Child lock feature to prevent accidental changes by children Usage 30 soothing sounds including white noise, rain noise, campfire, wind chimes, brown noise, and lullabies 5 color night light options: red, yellow, green, blue, and white, with adjustable brightness Memory function to remember last settings for volume and sound Other information Ideal for improving sleep quality, soothing babies, and enhancing