Specification  Product Name: Neck Beauty Device Charging voltage: 5V==1A Rated power: 5W Battery parameters: 3.7V/500mAh Charging time: 3 hours Product size: 50*92* 135mm Charging method: USB charging     Feature:  1. Color light care: Red light Facial firming, Blue light rejuvenation,Purple light balance 2. EMS micro current: Activate skin elasticity 3. Temperature sensing pull up: Compact V face against early aging 4. ions import Nutrient. No more waste of skin care products. Through the decomposition of nutrients by electric ions, the absorption efficiency of nutrients is improved.    Function  1. Neck beauty device that can be used on both the neck and face to effectively lift and firm the skin, reduce facial wrinkles, fine lines and neck lines, and is designed to give you a swan neck.  2. Multi-effect skin care: color light rejuvenation + sonic vibration + deep cleaning + nourishing introduction + positive and negative ions + 45 & 8451; constant temperature hot compress to make your skin smooth and firm.  3. Four modes, three intensity adjustments, accelerate blood circulation, promote collagen production, dredge meridians, shrink pores, and rejuvenate the skin.  4. Dolphin bionic design, 160° around the neck, fully fit the neck curve, and can deeply touch the neck skin.  5. Positive and negative ions are efficiently introduced into nutrients to improve the absorption efficiency of nutrients by the skin. When used with neck cream and neck mask, the effect is doubled.      Moisturizing and Anti-wrinkle (Blue light)  Blue light can promote the synthesis of protein and collagen, activate skin, tighten loose skin, narrow pores, and improve oily skin and severely sensitive skin.    Warm Lifting (red light)  Red light can enhance cell vitality, accelerate blood circulation, promote the growth of fiber cells and collagen, smooth fine lines, wrinkles, tighten skin, dilute melanin, fade scars and other effects..    Hidden lines on neck and face (violet light)  Purple light can improve the alternating function of cell oxygen utilization.Promote the microcirculation of the body surface.  Dredge lymphatic and discharge oedema, at the same time has the effect of calming skin balance and stability.    EMS tighten mode  EMS micro current releases intermittent pulse current to stimulate ATR generation, improve the elasticity of facial muscle fiber, activate collagen activity and tighten skin.