Wireless/Rechargeable! The EPIONE Skin Care Tricolor LED Mask uses red, blue, and orange light therapy to penetrate deep into the skin to target signs of aging and help prevent blemishes and discoloration. Red Light (620-750nm): Helps increase collagen production to reduce fine lines and wrinkles. Blue Light (476-795nm): Helps reduces blemishes, kill bacteria, and tighten skin. Orange Light (590-620nm): Helps smooth skin and reduce redness.