You must be 21 or older with a valid ID to attend this event. You must have a credit or debit card for the check in process to rent your headphones. The rental fee of the headphones is included in the price, nothing will get held or charged on site to your card. If the headphones are NOT returned there will be a $100 charge to your credit or debit card after the event. The headphones are wireless. You can adjust the volume and choose between up to three DJ’s with a flip of a switch. Each headset has a color LED that shows what channel you are listening to, so you can dance along with those listening to the same DJ as you.