Features 1、Cotton Material: Made of cotton, this LED cap features an internal LED display screen. With sizes of 260x200x110mm and a snap closure, you can easily switch off the LED for a traditional cap look. 2、Showcase Your Charm: With a 16x32 screen dot, 70x173mm screen size, this cap is unique, fun, and entertaining! Display your creativity by lighting up your messages with a touch, making them stand out. 3、Easy to Use: Download the for iPixel Color APP, turn on BT, and when the LED display starts flashing, it means the connection is successful. Edit your cap on the app, select patterns, click confirm, and see them on the LED cap. 4、Long Lasting Power: Equipped with a built in rechargeable 450mAh battery, this cap only requires a quick 3 hour charging but offers over 5 hours of continuous usage. 5、Versatile Application: Edit your LED smart cap with text, music patterns, images, and drawings. Be the coolest and most eye catching person at parties, concerts, festivals, and graduations. Also ideal for displaying your advertising slogan in any setting. Specification Item Type: LED Cap Material: Cotton, LED display Screen Dot: 16x32 LED Quantity: 512pcs Power Supply: 5V 2A Charging Time: 3h Battery: 1x450mAh Rechargeable Li Battery (Built in) Application: for iPixel Color APP Connection Method: BT Screen Size: Approx. 70 x 173mm / 2.76 x 6.81in Hat Size: Approx. 260 x 200 x 110mm / 10.24 x 7.87 x 4.33in Package List 1 x LED Cap 1 x USB Cable 1 x User Manual