Good GiftTechnology - This device mainly helps people with sleep deprivation and poor mental quality to help you fall asleep as soon as possible. Soothing stress helps you fall asleep quickly to relieve headaches and improve sleep quality. Try something new- Apply stimulating waves to increase endorphin secretion, stay away from drugs, relax and painless through physical therapy, stimulate acupuncture points, promote relaxation and release stress, allowing you to sleep soundly. Portable Device - Rechargeable device allows you to take it with you wherever you go. Just press the power button to turn on, press +/- to increase or decrease the intensity. The lightweight USB charging device lets you sleep easily on the go or onthe go. Auto Shutdown and Various Apps - It will automatically shut down after 20 minutes of work, don't worry if you forget to close it after sleeping. And can be used in the office, at home, moderate headache relief. Let you get rid of insomnia, anxiety,sleep depression, insomnia, and help patients get a good night's sleep.