Highlights Warm and comfortable acrylic fabric, skin-friendly and soft, double layer winter knitted led cap keeping head warm from 360 degree with adorable style, well for indoor and outdoor 6 colorful LED flashing lights powered by 2 * CR2032 lithium coin cell batteries (included). Turning switch to "ON" position to activate the lights. This winter warmer LED knit hats with high elasticity, can fit wide range of head sizes for most kids, men, women It is perfect flashlight beanie for family, friend as gift at Christmas,, New Year, Birthday, Music Festival Party