4 Colour LED Light Therapy. Flexible Silicone mask to adapt to the contours of your face. This mask offers vibration up to 42,000 times/min to help with circulation, embedded with 165 LED (light-emitting diode) bulbs. 660nm (red) and 850nm (near-infrared) Red light waves accelerate the production of new collagen, calms redness while creating an even skin tone. Near-infrared works beneath the skin’s surface to boost blood circulation, bringing oxygen and nutrients to the cells. This mask is lightweight and portable. USB rechargeable.