Color: White+Silver Voltage: 3.7V, Current: 360ma, Power: 1.33W Vibration gear: 3rd gear, Micro current gear: 3rd gear Color light: red light, blue light, purple light Hot compress: 45 ℃ constant temperature hot compress Battery type: 602040/450mAh (with 3C and UN38.3 certificates (including sea and air freight, MSDS, etc.) Battery capacity: 450mAh, charging time: 2 hours, usage time: 2 hours Net weight of product: 63g Product gross weight: 137g Product size: 14.2 * 9.1 * 3.4cm Packaging size: 16.9 * 11.9 * 5cm Width 35.5, length 53.5, height 37cm, 60 pieces per box Packing list: 1 * neck beauty device, 1 * USB charging cable, 1 * 7-language manual, 1 * English color box Functional features: 1. Three massage modes and three levels of intensity: Three modes can be selected for skin rejuvenation, lifting, and deep massage to meet different care needs, comprehensively relieve muscle tension, stretch fatigue, and create tight contours. 2. Three levels of micro current regulation: Three levels of current intensity, precise regulation, deep nourishment of the skin, promotion of blood circulation, enhancement of skin elasticity, and help slow down signs of aging. 3. Three in one color light skincare: using a combination of red, blue, and purple light effects to deeply revitalize the skin, promote collagen production, soothe and calm, and restore radiance. 4. 45 ℃ constant temperature hot compress: Warm and constant 45 ℃ hot compress promotes blood circulation, enhances skin care effects, relieves fatigue, and repairs neck skin. 5. Dolphin Curve Design: The unique dolphin curve perfectly fits the neck, and the exquisite line design at the handshake is both beautiful and easy to grip, providing a comfortable user experience.