1. For Oily Skin: With 4 LED colors lights to improve skin such as oil balance. Choose right light color and apply face device to reduce breakouts. Can also be used as a collagen cover to treat oily skin and dull skin.2. 480pcs Lamp Chips: Built in 480pcs evenly distributed LED lamp chips, effectively care for every corner of the skin, so as to achieve the purpose of skin improvement, improve the ability to absorb nutrients, reduce wrinkles, and help skin repair.3. 4 Light Waves: Contains 4 light waves of different colors and lengths. 630nm red LED light, 460nm blue LED light, 590nm yellow LED light, and 850nm near infrared light, meet different needs.4. Eye Protection: LED light face device built in eye protection function that blocks eyes from bright light, allowing you to read, work or watch TV while wearing face device.5. Soft And Comfortable: Made of food grade silicone, which is flexible and easy to clean, also face device is lightweight for easy to store and carry, wearing for long time will not feel heavy, and can be adjusted for any head size.Specification:Item Type: LED Light Face DeviceMaterial: SiliconeColor: WhiteNumber of Lamp Chips: Face Cover: 240pcsNeck Scarf: 240pcsLight Color: red LED light, blue LED light, yellow LED light, infrared lightLight Wavelength:Red LED light: 630nmBlue LED light: 460nmYellow LED light: 590nmNear Infrared Light: 850nmLight Wave Gear: 3Timing Time: 10 to 30 minutesBattery Type: Lithium batteryBattery Capacity: 3000mAh(Built in)Power Supply Mode: USB chargingHow to Use:Product Operation Instructions:1. Power Button: Long press 1‑2s to enter the power on or off state. 2. E key is energy adjustment key: Short press to adjust and switch the 3 gears energy output mode. 3. Timing key: Press T + key to increase the light time press T‑ key to reduce the light time 5 gears (10/15/20/20/25/30min) recommended