Sleep Aid Device Features: 1. To put the front of the product completely in your hand, turn on the device to low-frequency decompression mode, suitable for left-handed use, and then press the power button to enter high-frequency encouragement mode, suitable for right-handed use. Adjust power with the +/- keys on both sides. 2. The sleep aid instrument is made of high-quality ABS material, stable and firm. Lightweight, easy to carry, round button design, one key to turn on, adjust power. Specification Material: ABS Mode: Sleep Aid / Inspiration Power Supply Mode: USB Charging Battery Capacity: 500mAh Input Voltage: DC 5V/1A Working Power: 0.5w Endurance Time: 20 Hours Suggested Use Time: 15 Minutes How to Use: 1. To put the front of the product completely in your hand: 2. Press the power button in the low-frequency decompression mode, which is recommended for the left hand. Pressing the power button again is the high-frequency encouragement mode, which is recommended for the right hand. 3. Adjust power with +/- keys on both sides. Long press the power button to shut down. Packing List: 1 * Calm Carry Anxiety DeviceApplication: Hypnotic sleeping aids can be used in the office, at home and on business trips, place the product in the palm of your hand to relax the main nerve pathways and relieve stress, with this product you can fall asleep faster and be completely relaxed during sleep!. Portable Design: With a lanyard, you can hang it on your wrist to prevent dropping and breaking. Compact and cordless design, you can use it anytime and anywhere. USB Charging: The calm carry device can be connected to computer USB port, battery, power supply, etc. It has multiple power supply modes, easy and convenient charging, and long battery life. It is recommended to use it for 20 minutes at a time, and it can be used continuously for 50 times. Reduce Stress and Anxiety: The use of this anxiety 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, producing a calming and relaxing effect. Perfect Sleep Aid Machine: Expertly designed for those experiencing insufficient sleep or battling poor psychological well-being, the sleep aids ensure a swift transition to sleep. Beyond acting as a potent sleep aid for adults, it offers relief from migraines and mitigates daily stresses.