Kivo Light Therapy Masks are industry leading 4 wavelength (Red + Near Infra-Red + Blue + Yellow) masks for women, men, or children. Constructed from food grade soft and safe silicone, with USB-C connectors and rechargeable battery packs, 460:590:630:850nm wavelengths, timer, brightness and a convenient storage pouch, eye guards, and washable velcro fasteners. They're perfect for those seeking better skin, people who are combating acne or skin issues, and they can help with overall wellness and mood.