For people: Stay up all night, use mobile phones and computers for a long time, and the diet is irregular Applicable skin: Dark color, deep yellow, speckled, rough pores, loose texture Different colors : Blue: Excellent effect of beauty,improve sensitive skin Light Blue: Penetrate the skin deeply, accelerate the metabolism of the active tissue White: Improve fine lines and accelerate metabolism Purple: Relaxing, deep improvement of old skin marks Red: Increase blood circulation, Increases skin elasticity, whitening skin, firming anti-aging Green: To reduce skin oil secretion, balance the water and oil Cyan: Supplementary energy to skin cells, Smooth rough skin cells  Description of details: Product Type: LED Photodynamic Facial Mask / Facial Massager / LED light therapy machine Plug type: US plug Voltage: 60Hz / 50Hz, 110v-220v Output voltage: DC24V, 2000mA Output power: 15w Precautions: Don't stare at the light source Don't expose to the sun and touch the water The daily usage time is recommended to be maintained within 20 minutes. Steps for usage: Plug the USB connector at the end of the wire of your LED MASK. Clean your face ,wait till it dries. This makes it easier for light to penetrate your skin. Put on your Mask .You can choose the mode you want and Make sure that you wear it comfortably. Turn on your Mask and you will see tinge of red light covering the whole mask. 4B2 4120