Handheld Sleep Aid Machine, USB Smart Aid Sleeper Holding Sleep Aid Device Sleep Instrument for Adult Insomnia for Fast Sleep(Yellow)orangeThis sleep instrument mainly helps people with insufficient sleep and poor psychological quality to fall asleep as soon as possible. Relieve stress helps to fall asleep quickly to relieve stress and improve sleep quality. MULTI-SCENE USE --- Can be used in office, home and business trip, 20 minutes a day can help you get rid of insomnia, anxiety, sleep problems and help you get a good night's sleep. SIMPLE AND ELEGANT --- Lightweight and portable, easy to use. Light weight, small size, USB charging speed, easy to operate, two working modes available, low frequency mode and high frequency mode, just press the power button to adjust the mode. GIFT FOR ALL YOU LOVE: The portable sleep instrument is very suitable as a gift for family, friends, colleagues, father, husband, mother, women, grandfather, boyfriend, to the girlfriend. PORTABLE SLEEP AID MACHINE --- This sleep massager can help you fall asleep and relieve anxiety and pressure. Although small and powerful, the sleep aid device is a sleep aid. It should be used for a long time.