The use of this sleep aid device can properly stimulate the hand, with the hand brain frequency consistent way to relieve anxiety. the micro-current is conducted to the brain through the Laogong point in the palm of the hand, producing a calming and relaxing effect, which is conducive to a healthy night's sleep. With this advanced technology, users can experience improved sleep quality and wake up feeling refreshed and rejuvenated. Specification: Material: ABS Power Supply Mode: USB Charging Battery Capacity: 500mAh Endurance Time: 20 Hours Suggested Use Time: 15 Minutes Package List: 1 x Sleep Aid Device 1 x Manual 1 x USB Cable DIRECTIONS keep cleanHow to Use1.To put the front of the Calm Palm Device completely in your hand 2.Press the power button is the low-frequency decompression mode, which is recommended for left hand. 3.Pressing the power button again is the high-frequency encouragement mode, which is recommended for the right hand 4.Adjust power with - keys on both sides 5. Long press the power button to shut down. USB Efficient ChargingThe calm carry for insomnia can be connected to a computer usb port, power bank, power supply, etc. long endurance. A sleep aid device can stimulate neurotransmitters in the cerebral cortex through microcurrents, regulate emotions, and not only promote sleep but also calm your body from head to toe. This instant relief will help you fight anxiety everywhere and reduce stress from various triggers. Versatile ApplicationsIdeal for a plethora of settings, whether it's your office, home, or during business trips. 15 minutes a day can moderately relieve headaches, sleep help for adults can help you get rid of insomnia, anxiety, sleep problems, and help you get a good nights sleep. Easy to CarrySimple oval design of thecalm palm sleep aid, new matte texture, in line with human hand grip design, simple and comfortable. Light weight and in small size, easy to carry when going out. Round button design, one key to turn on, adjust power. With a lanyard, you can hang on your wrist to prevent dropping. Reduce Stress and AnxietyThe sleep aid device mainly helps people with insufficient sleep and anxiety quality to fall asleep. Daily use can moderately relieve headaches and help you get rid of insomnia, anxiety, and sleep problems. For better result, which needs to be best used continuously for half a month.