1The product adopts high quality control chip, and the frequency of ultra-low frequency pulse wave is more stable. 2No need to connect other devices, plug in the power can be used. 3Specific 7.83Hz ultra-low frequency waves help to improve sleep, alleviate fatigue and restore physical and mental health. 4For the create space - to improve creative inspiration 5For office - to relax and improve work efficiency, Used to create space - to improve inspiration,For the tea ceremony - resting body and mindFeature: 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 mind Specification: Suitable voltage: 100-240V Rated voltage: DC 12V Current: 1A Package list: 1 x Ultra-low Frequency Pulse Generator1 xPower Plug Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.