8 kinds of , deep sleep guardian. In the city with dense buildings environmental noises from traffic, construction, etc. are endless. can drive away the noise and help you fall asleep peacefully. One machine with multiple uses We have all the functions you need. Multiple white noises, 3 sets of alarm clocks, RGB night lights, super loud sound reminders, super ringing time, LED, snooze function, Bluetooth speakers, plug-in use, charging use, sleep companion function, memory function, USB charging, YPE-C mobile phone charging, FM radio, U disk playback, Bluetooth synchronization, dedicated valve music, noise masking and sleep aid, headphone playback. Change the quality of sleep, smart technology, avoid dependence and side effects, and recharge your sleep! White noise sleep device, say goodbye to insomnia and fall asleep easily. Exclusive sleep-aiding music, built-in 8 natural ecological sound effects, every sound is pleasant to the ear, let the brain immerse in the natural environment, and enter a deep sleep state.