Features: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 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.Specifications:Material: ABSColor: GreenRated voltage: 3.7VRated current: 300MARated power: 5WBuilt-in battery capacity: 450mAhPower input: 5V/1AProduct size: approx. 13.8*9.2CMPacking List:1* Neck beauty device1* USB Charging Cable1* English User Manual Note:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.