Feature: Specification: Condition: 100 Brand New Item Type: Holding Sleep Instrument 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: To put the front of the product completely in your hand: Press the power button is the low-frequency decompression mode, which is recommended for left hand. Pressing the power button again is the high-frequency encouragement mode, which is recommended for the right hand. Adjust power with - keys on both sides Long press the power button to shut down. Package List: 1 x Host 1 x Manual 1 x USB Cable INDICATIONS That's it!SMALL AND EASY TO CARRY: USB convenient charging, can be connected to a computer USB port, power bank, power supply, etc., long endurance. Light weight and in small size, easy to carry when going out. Suitable for patients with insomnia and anxiety. HOW TO USE: To put the front of the product completely in your hand Press the power button is the low-frequency decompression mode, which is recommended for left hand Pressing the power button again is the high-frequency encouragement mode, which is recommended for the right hand Adjust power with - keys on both sides Long press the power button to shut down. EASY TO USE AND IDEAL GIFT: Round button design, one key to turn on, adjust power. Easy to fall asleep every day. Just press the sleep aid device power button to adjust the mode, press - to increase or decrease the intensity , regulate and calm emotions, unique gift ideal for your loved ones, friends or for yourself. HELP FAST SLEEPING: The aid sleep machine mainly helps people with insufficient sleep and anxiety quality to fall asleep , it only takes 20 minutes to make you more relaxed and has the functions of relieving migraines, relieving anxiety, and releg stress. PRINCIPLE: It through microcurrents, regulate emotions, and promote sleep. When using this product, properly stimulate the hands, so that the hands and brain will be at the same frequency to calm the anxiety. The sleep aid instrument Use frosted stainless steel contact surface,can properly stimulate your hands , relieving stress helps to fall asleep quickly and improve sleep quality.