Features 1、LED Screen Hat: The 12x48 LED color screen on this hat allows for customizable content through a mobile APP. Suitable for outdoor concerts, baseball games, carnivals, bars, clubs, holiday parties, and more 2、Detachable LED Screen: When you do not want the hat to display text, simply turn off the power and use it as a regular baseball hat. The LED screen can also be detached for use in other locations, adding to its versatility 3、Adjustable Size: Featuring a reasonable adjustment buckle at the hat back, this programmable LED hat can be tailored to fit any head size. Never worry about the hat being too large or small again, flexible and practical 4、Comfortable Cotton Material: Made of cotton fabric, this baseball cap ensures a comfortable wearing experience. The thickened top prevents deformation or collapsing, maintaining the hat appearance 5、APP Control: Simply download the APP, press and hold the power key to activate the LED screen, and connect it to your phone. Within the APP, you can input text or create your own graffiti styles to catch everyone attention Specification Item Type: LED Screen Hat Screen Pixels: 12x48 Display Screen: Full Color Screen Cap Color: Black Screen Size: Approx. 130 x 30mm / 5.1 x 1.2in Pixels Pitch: Approx. 2.5mm / 0.1in APP: for Mini LedShow APP Comm Method: BT Mobile APP (for iOS and for Android) Language: Multi Language (Chinese, Korean, Japanese, English and more) Battery: 1 x 3.7V 450mAh Lithium Polymer Battery (built in) Package List 1 x LED Hat 1 x USB Cable 1 x User Manual