7 vibrant lighting colors and 5 dynamic flashing modes, including monochrome, flash, gradient, gentle, and multi-colored, allowing you to customize your look and stand out at any event. Convenient USB charging capability, providing 4-6 hours of use on a full charge, with a quick 2-hour charging time; indicator lights show charging status for ease of use. Adjustable size for a comfortable fit, suitable for adults, boys, and girls, ensuring no discomfort while wearing, with no heat or radiation for health safety. Perfect for a variety of occasions, including concerts, carnivals, neon parties, Christmas celebrations, music festivals, and nightclubs, adding excitement and fun to your nightlife. Illuminate your night with this innovative LED fiber optic hat, designed to make you the center of attention at any gathering. With its array of colors and modes, you can easily switch up your style to match the of the event. The comfortable fit and health-conscious design suitable for everyone, while the USB charging feature ensures you're to shine. Whether you're hitting the dance floor or enjoying a festival, this glowing cap is the ultimate accessory for a memorable night out. Color: Black Material: Fiber Optic Fabric Package Contents: Product List: 1xLED Fiber Optic Lighting Hat 1x USB charging cable 1x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.