Features:_x000D_ 1Simple oval design, new matte texture, in line with human hand grip design, simple and comfortable. 2Round button design, one key to turn on, adjust power. Easy to fall asleep every day. 3USB convenient charging, can be connected to a computer USB port, power bank, power supply, etc., long endurance. 4It can stimulate neurotransmitters in the cerebral cortex through microcurrents, regulate emotions, and promote sleep. 5When using this product, properly stimulate the hands, so that the hands and brain will be at the same frequency to calm the anxiety. 6Light weight and in small size, easy to carry when going out. Suitable for patients with insomnia and anxiety._x000D_Condition: Brand New_x000D_Item Type: Holding Sleep Instrument_x000D_Material: ABS_x000D_Mode: Sleep Aid / Inspiration_x000D_Power Supply Mode: USB Charging_x000D_Battery Capacity: 500mAh_x000D_Input Voltage: DC 5V/1A_x000D_Working Power: 0.5w_x000D_Endurance Time: 20 Hours_x000D_Suggested Use Time: 15 Minutes_x000D_How to Use:_x000D_To put the front of the product completely in your hand: _x000D_Press the power button is the low-frequency decompression mode, which is recommended for left hand._x000D_Pressing the power button again is the high-frequency encouragement mode, which is recommended for the right hand._x000D_Adjust power with /- keys on both sides_x000D_Long press the power button to shut down._x000D_Package Included:_x000D_1 x Host_x000D_1 x Manual_x000D_1 x USB Cable