1. IMPROVES BLOOD: LED Massage cap improves blood viscosity, relieves headaches, solves the problem of slow blood flow, and allows blood to flow more smoothly.2. MULTIFUNCTION: Equipped with blue LED light, it can reduce hair follicle and skin inflammation. LED cap can also solve the problem of high blood pressure, hypertension, hyperglycemia .3. 198PCS LAMP CHIPS: Contains 198 irradiation points, scientific average distribution of light sources, all covering the scalp, head emission wavelength accurate.4. SMART FUNCTION: With intelligent timing function, 15, 30, 60 minutes, easy to use. 3 energy modes can be adjusted, high, medium and low. It is recommended for more than 40 minutes per use.5. WATERPROOF LAYER: Red LED Massage cap with a built in waterproof layer, it, which can be used by patients who have just washed their hair or who are prone to sweating.Specification:Item Type: Red LED Massage CapMaterial: PlasticTiming Function: 15, 30, 60 minutes3 Kinds Of Energy Mode: High, Medium, LowHow to Use:First: Open the package, installed USB plug into a cell phone adapter, or powerbank, or computer interface, 5V voltage required. Second: Press the adjustment gear, adjust the energy to the desired, there are high, medium and low 3 gears. Third: Set the time required to use, with 15/30/60 minutes to choose. Package List:1 x Cap1 x Red LED Massage Device