Specifications: Power: 4W Working volt: 3.7V Material: Plastic Battery: 750mAh Charging time: approx. 3 hours Features: It's a facial beauty device with EMS micro-current(Galvanic ions), vibrations warm massager, red, blue and orange light that can realize deep cleansing, better rejuvenationand facial lifting. * EMS micro-current(Galvanic ions): Use the principle of the mildest impulse current anode andcathode attract, soften and discharge grease and grime. * Vibration Adopt physical vibrating, electric stimulating way to increase the elasticity and enhance thecellular metabolism. * Warm Massage Promote absorption of skin care products, make skin texture stretched, keep skin fullof elasticity. * Red Light: 640nm-650nm red light deep into the dermis, increases blood circulation to diminishwrinkles, tighten skin and encourages the production of new skin cells. * Blue light Wavelength 415nm has a rapid anti-inflammatory effect, reducing sebum livenesseliminate acne bacilli to remove acne and whelk, improve oily skin. * Orange light: Wavelength 600nm deep into skin 1-2mm, effectively treat the skin red spot relieveswelling, promote the cuticle metabolism to make the skin whitening.