Feature:_x000D_ _x000D_ The product adopts high quality control chip, and the frequency of ultra-low frequency pulse wave is more stable. _x000D_ No need to connect other devices, plug in the power can be used. _x000D_ Specific 7.83Hz ultra-low frequency waves help to improve sleep, alleviate fatigue and restore physical and mental health. _x000D_ For the create space - to improve creative inspiration _x000D_ For office - to relax and improve work efficiency, Used to create space - to improve inspiration,For the tea ceremony - resting body and mind _x000D_ _x000D_ Specification:_x000D_ Suitable voltage: 100-240V_x000D_ Rated voltage: DC 12V_x000D_ Current: 1A_x000D_ _x000D_ Package list:_x000D_ 1 x Ultra-low Frequency Pulse Generator_x000D_ 1 x Power Plug_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product.