SPECIFICATIONS Brand Name: PASTSKY Material: ABS Manufacturing Process: Machine Made Power Source: Rechargeable Battery Origin: Mainland China Choice: yes semi_Choice: yes Using EMS micro-current and sound wave vibration, stimulate facial acupuncture points to dredge facial meridians, effectively refine contours, and shape a small v-face. The specially designed dual rollers fit perfectly against the skin and help you massage your face or body to firm and lift your skin. It can eliminate facial edema, lighten fine lines, soothe the skin, improve the microcirculation of facial blood vessels, reduce eye swelling, promote lymphatic drainage, relieve muscle tension, and make you look energized. The mini heart-shaped appearance is small and light, easy to carry in purses, bags and cosmetic bags, allowing you to give your facial skin a beauty spa anytime, anywhere. Specifications: Material: ABS Power supply: rechargeable lithium battery 3.7v170mah Charging time: 2 hours Frequency: 185 Hz Noise: less than 50 decibels Function: Micro-current sonic vibration Gear: third gear