•Made of high-quality soft silicone, it provides a perfect fit regardless of your neck shape, and is easy to turn on and off. It has a remote control, 4 colors with 4 intensities and infrared light. •LED light therapy is a simple, highly effective, non-invasive treatment that is an alternative to treatments such as hyaluronic acid injections and Botox, chemical peels, or laser resurfacing. •Depending on the color of the light, the technique has different applications, and can comprehensively treat all common skin problems: wrinkles and expression lines, sun damage, hyperpigmentation, melasma, acne, sebum regulation, marks and scars, redness, sagging, inflammation, oxygen deprivation, and lack of luminosity. •Red light (620-630): Red light mode promotes skin collagen growth and deeply improves facial sagging, with an effect that cannot be ignored. •Blue light (440-450nm): Bacteria in acne contain porphyrins, blue light is able to kill porphyrins. It also has a soothing action that is very effective for hypersensitivity, in addition to helping reduce inflammation and having a bactericidal effect. •Yellow light (550-590nm): Yellow light mode illuminates the skin, penetrates deep into the skin layer and revitalizes the skin. Eliminates dullness and lightens skin tone. •White light (490-630nm): White light mode accelerates skin repair and reduces aging. Far infrared rays penetrate directly into the skin layer, repairing skin texture and slowing down sagging. •Infrared light (700 ± 20nm): relieves muscle and joint pain, reduces inflammation, increases cell regeneration and blood circulation, stimulation of the lymphatic system. •Contains: 4-color neck mask x1, fixing strap x1, USB Type-C charging cable x1, control knob x1, instruction manual x1. Power: 8W Voltage: 3.7V Number of LED beads: 172 Power density: 64W/cm2 Low-frequency light source: 4W/s CE and RoHS certified. Silicone, ABS, metal alloy.