Welcome to our store! Color: White, Material: ABS Rated voltage: 3.7V Rated current: 500MA Rated power: 2W Internal battery capacity: 450 mA Power input: 5V/1A Packaging list: Meinecki * 1, USB charging cable * 1, instruction manual * 1 Product size: 16.8 * 11.8 * 5.2cm Functional features: 1. Dual use neck and face, color light skincare, color light light wrinkle beauty neck, red/blue/purple light light light lines, EMS vibration massage, 45 constant temperature induction; 2. Accelerate blood circulation, tighten and smooth, allowing neck muscles to regain vitality; 3. Return to firmness, multifunctional skincare and neck care, tighten pores, balance and tighten, promote collagen production, and fade fine lines; 4. Resist the initial aging of the neck, reproduce the swan's beautiful neck, fade neck lines, massage and unblock meridians, and tighten and lift the neck line; 5. Dolphin biomimetic design, with a 160 degree surround for neck protection, fully fitting the neck curve, with a three-dimensional circular arc from top to bottom, left to right, and able to deeply touch the neck skin; 6. Colorful skin rejuvenation, sound wave vibration, deep cleaning, nourishing introduction, positive and negative ions, four modes, three intensity adjustments, constant temperature hot compress; 7. Three color energy multiple light waves, LED with different wavelengths have different optical effects on the human body, which can promote the production of collagen and fade fine lines. Blue light mode: suppress acne, clean skin, and astringe pores; Red light mode: Accelerate circulation, rejuvenate skin, and reduce pigmentation; Purple light mode: improves cell oxidation alternation, calms the skin, balances and tightens. 8. EMS micro current releases pulse current, improves facial muscle fiber elasticity, activates collagen activity, and tightens the skin. 9. Ions are introduced into nutrients, eliminating waste and improving nutrient absorption efficiency. When used in conjunction with neck cream and neck mask, the effect is doubled; 100% satisfaction: Our customers are our top priority. If you find any product issues, such as damage or incorrect quantity, after receiving the goods, please contact us immediately. We will do our best to provide you with satisfactory after-sales service