Rechargeable & Permanent: Hard wearing three.7V 250mAh rechargeable battery, this hat charges through USB in just oneandhalf 2 time Comfortable & Ventilated Planumberebog: Produced with excellent fiber visual fabric ( outer layer) and smooth cotton ( inner layer) Developed for head circumferences of 56 58cm, it accommodates safely while providing all night durability Dynamic LED Light Showidthelhello: This LED music party bucket hat features 7 bright and 11 dynamic lighting modes, creating lid catching light display excellent for parties, festivals, and night incidents Low Maintenance & Durability: Neat with a wet cloth otherwise brush and air dry—no twisting otherwise machine drying Excellent Party Additparticlemail: Four thousand music festivals, festivals, nightclubs, Halloween, Christmas, and oriented incidents