DRAW WHAT YOU LIKE: You can use the graffiti function to create your favorite images and texts you want. Pictures can be saved for future use. EDIT YOUR TEXT: Our hat is the brightest hat on the market. With this display led hat, you can express your mood and theme in words! You can display your favorite teams, bands and announce to everyone its a special day for you! COMPLETELY CUSTOMIZABLE: For Baseball, Games, Elections, Prom, Music festivals, Birthday parties, Trucks, Christmas, Bars, Clubs, Lighting parties, Gifts for men, women, Carnivals, New year festivals, Coffee shops, Shopping malls and Holidays. 3-STEP CONNECTION: 1. Turn on the led cap 2. Open the phone App 3. Connect the device and start customizing! Built-in 450mAh, rechargeable aluminum battery. Battery life is roughly 10 hours. NOTE: Please charge it first once you get it because of factory settings. There are 30 days for free return. If you have any question about your item, please contact us. We will reply in 48 hours.