This smart sleep machine combines white noise generator, 7-color ambient light and Bluetooth speaker into one device, providing comprehensive sleep solution Utilizing advanced acoustic technology, the white noise modes effectively neutralize environmental disturbance noises to help brain relax into deep sleep state. Seven adjustable soft lighting options can be set according to personal preferences to create ideal sleep atmosphere Bluetooth 5.0 technology ensures stable connection for playing your favorite sleep music or natural sounds. Compact portable design allows you to enjoy quality sleep whether at home, office or during travel Especially suitable for insomniacs, stressed students, babies needing soothing, and users sensitive to environmental noises. Simple operation with one-button mode switching makes quality sleep easily accessible Equipped with safe charging interface and long battery life, it's your ideal sleep companion choice