Name: Micro current three speed adjustable constant temperature neck beauty instrument Material: ABS, rated voltage: 3.7V, rated current: 500MA, rated power: 2W, built-in battery capacity: 450mA, power input: 5V/1A. Product net weight: 0.085KG, product gross weight: 0.23KG, product size: 14 * 9 * 3.8CM, packaging size: 16.8 * 11.8 * 5.2CM. Box size: 55 * 31 * 33CM/50PCS/12KG Packaging list: 1 neck beauty device, 1 USB charging cable, instruction manual Functional features: 1. Dual use for neck and face, color light skincare, color light light wrinkle and beautiful neck, red/blue/purple light light wrinkle reduction, EMS vibration massage, 45 ° temperature induction; 2. Accelerate blood circulation, tighten and smooth, allowing neck muscles to regain vitality; 3. Return to firmness, multi effect skincare and neck beauty, tighten pores, balance firmness, promote collagen production, and lighten fine lines; 4. Fight against early aging of the neck, recreate the swan's beautiful neck, fade neck lines, massage and unblock meridians, tighten and pull the neck line; 5. Dolphin biomimetic design, with a 160 degree surround for neck protection, fully fitting the curve of the neck, with a three-dimensional circular arc up, down, left, right, and can deeply touch the skin of the neck; 6. Colorful skin rejuvenation, sonic vibration, deep cleansing, 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, can promote the production of collagen, play a role in fading fine lines, blue light mode: suppress acne, clean skin, and converge pores; Red light mode: accelerates circulation, revitalizes and rejuvenates the skin, and reduces 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. Ion introduction of nutrients, no longer wasting, improving nutrient absorption efficiency, combined with neck cream and neck mask, doubling the effect;