Red Blue Lighting Hair Hat 318pcs Light Chips 3 Energy Scalp Cap DeviceItem Type:Hair HatDeviceMaterial: PlasticTiming Function: 15, 30, 60 minutes3 Energy Modes: High, medium, and low1: Because wear on the head, more convenient e2: Use for more than 40 minutes each time3: 3 modes to choose from, red, blue, red and blue mixed