Features 1、[Seven Color Options] Features seven luminous colors including red, green, blue, gold, light blue, purple, and white, adding a fun and colorful touch to your outfit. 2、[Eleven Modes] Offers eleven lighting modes including single color, flashing, gradient, smoothly, multi color, etc., allowing for eye catching lighting effects. 3、[Unisex Design] This LED cap is suitable for both men and women, with adjustable strap and buckle to fit almost everyone comfortably. 4、[Convenient to Wear] Comfortable to wear with no heat, radiation, or injury to the body, ensuring durability and safety for prolonged use. 5、[Wide Application] Ideal for sun shading, dance and fitness activities, outdoor sports, festivals, bars, clubs, birthday parties, weddings, KTV, carnivals, stage performances, concerts, and more. Specification Item Type: LED Fiber Optic Cap Material: Cotton, Fiber Light Color: RGB Seven Color Change Cap Circumference: Approx. 58-60cm / 22.83-23.62in (Adjustable) Battery: 1 x 250mAh Polymer Lithium Battery (Built in) Charging Method: USB Charging Features: Seven Color Light Up, Water Embroidery Craft, Water Proof Design, 11 Modes, Single Click Switch Package List 1 x LED Fiber Optic Cap 1 x USB Cable 1 x User Manual