Hand Wash Only 7 Light up colors and 5 flash modes: LED fiber optic hat lights up in 7 colors (red, blue, green, gold, light blue, purple, white), and 5 light mode, including monochrome, flash, gradual, smooth, polychromatic, you can choose a mode by pressing the switch, making you stand out at the party, and attracting people's attention USB recharging: our light up hat supports USB charging and can be applied for 2-4 hours on a single charge, charging time is 2 hours for full charging; When charging, the red light means charging is in progress, and the green light means charging is complete Adjustable size: the flashing led baseball cap with its adjustable back makes it very comfy to wear, no heat, no radiation, friendly for health, adults, boys or girls can freely wear the glowing cap without the struggle of unfit Quality material: our led light hat is made of quality optical fiber fabric and led light, light and soft, odorless, can serve you a long time; It can be gently hand washed (scrub only, can not knead and twist), but the battery box must be taken off or kept away from water before washing Wide application: the luminous led baseball cap makes you shiny in the dark and be the star of parties, particularly at concert parties, carnival, neon parties, Christmas, music festivals, disco, nightclubs and so on, add more fun to your parties