Feature:The product adopts high quality control chip, and the frequency of ultra-low frequency pulse wave is more stable.No need to connect other devices, plug in the power can be used.Specific 7.83Hz ultra-low frequency waves help to improve sleep, alleviate fatigue and restore physical and mental health.For the create space - to improve creative inspirationFor office - to relax and improve work efficiency, Used to create space - to improve inspiration,For the tea ceremony - resting body and mindSpecification:Suitable voltage: 100-240VRated voltage: DC 12VCurrent: 1APackage list:1 x Ultra-low Frequency Pulse Generator1 x Power PlugNote:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product..