3 Light modes: hard light mode, medium light mode and soft light mode; 3 White light lighting modes for you to switch, help you see clearly; LED lights USB charge operated design that don't need to replace batteries; Note: if the USB port is inserted correctly for charging, the indicator of LED light will be turn on and flicker; When it charged fully, the indicator of LED light will turn off Quality material: our LED beanie caps are made of quality acrylic fabric knit and LED lights; Soft and cozy for you to keep warm feeling in cold day; Package includes 2 pieces LED knit hat beanie cap Good elasticity and easily adjustable: quality material offerscomfortandenoughrangeof head movement; Universal size fits with most boys, girls, men and women Wonderful and practical beanie in winter: when you go out for driving, walking, cycling, camping, hiking, hunting or repairing in dark night, it will be a good companion to keep your vision brightly and clearly, and prevent your head away from freezing weather Apply to: easy to remove the light for charge or washing; This led beanie would be practical gift for family and friends who like outdoor, served as humanized winter warm clothes set; Note: please pay attention to the plug direction when charging the LED light, if the indicator light of LED light turn on that you charge successfully