Features: Experience the ultimatedly with our White Noise Sound Machine. Featuring 36 soothing sound and a gentle LED night light to create a serenedly sleep environment. It supports double power supply, allowing you to use batteries or plug it in, 3 timer option. For insomniacs, individuals under stress, and anyone , this device to diverse needs with its intelligent sound adjustment and multiple white noise type. Perfect for bedrooms, offices, or any space requiring relaxation , the Sound Machine seamlessly integrates into various environment. Specifications: Size：about 106x81ｍｍ/4.17x3.19in Component: ABS Power supply: Usb charging or 3Ax4pcs (battery not include) Color ：White Package Includes: 1PC White Noise Sleep Sound Machine note: Due to problem of light effects,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurements