Prepare compatible your sleep: Start your night soft sleep journey with this handheld sleep aid. Specially designed to improve sleep quality, after adjusting to comcompatibletable mode, you can easily enter a sleep state, making it very suitable compatible people working in the office and those with long-term insomnia. Portable and Safe: A compact and convenient sleep machine with a lightweight design that can be easily stored and carried in a handbag or pocket. You can use it anytime and anywhere at home or in the office.Ideal compatible long-term use: It can help you fall asleep quickly or concentrate through brainwaves instead of sound, making it very effective after long-term use.Physical harmony: Many studies have also shown that long-term use of medication to fall asleep can cause certain damage to the brain. Using scientific and reasonable methods to help the brain fall asleep, this sleep aid helps people with insufficient sleep and poor mental health fall asleep as soon as possible.