Feature: 1: 7 lighting colors and 5 flashing modes: LED fiber optic cap has 7 colors (red, blue, green, gold, light blue, purple, white) to emit light, 5 lighting modes, including monochrome, flash, Gradient, gentle, multi-colored, you can choose a mode with the flip of a switch to make you stand out at a party and grab people's attention 2: USB charging: Our light cap supports USB charging, one charge can be used for 4-6 hours, and the charging time is 2 hours to fully charge; when charging, the red light means charging, and the green light means charging is complete 3: ADJUSTABLE SIZE: Flash LED baseball cap with adjustable back makes wearing very comfortable, no heat, no radiation, good for health, adults, boys or girls can wear the light cap freely without ill-fitting struggle 4: PREMIUM MATERIAL: Our LED light caps are made of high quality fiber optic fabric and LED light, light and soft, odorless, can serve you for a long time; can be gently hand washed (only scrub, not rub), but must be washed before washing Remove the battery case or keep it away from water 5: Wide application: The glowing LED baseball cap makes you sparkle in the dark and become the star of the party, especially in concert parties, carnivals, neon parties, Christmas, music festivals, disco, night clubs, etc., for your Add more fun to the party Describe: Material: Fiber optic fabric Color: Black/ White