Sordin Supreme Pro-X Ear Defenders for Hunting & Shooting – Active & Electronic Ear Muffs – Neckband Band & Gel Kits. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your satisfaction is guaranteed! All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. We will work with you to resolve any problem you may have.