1. Powerful air-pressed contraction and relaxation, combination 4 massage methods to massage the brain nerve. 2. Reduce the spiritual pressure, dispel brain fatigue, lighten tiredness of the brain' overwork. 3. Promote the blood circulation, increase the blood and oxygen supply of the brain, strengthen wall toughness of blood vessel of the brain and prevent cerebral apoplexy. 4. Stimulate the head point, prevent migraine headache. 5. Relieve the function of insomnia, neurasthenia. 6. Strain the head skin, activate the skin cell organization, prevent the face wrinkles. 7. A/C and D/C use both ok. 8. Massage timing: 15 minutes. Input Voltage: 6VDC Input Rate: ≤ 5W Pressure range: 10-30KPa Noise range: ≤ 65dB Temperature and humidity of the working environment: : 5 degree~40 degree, ≤ 80% RH Temperature and humidity of the store environment: : -20degree~55 degree, 10%RH~95%RH Product size: 27 cm× 17.5 cm× 6.5 cm Product weight: 0.65Kg± 50g