Easy line Partner Mic Wireless Microphone for Kirkland & Phonak hearing aids The Partner Mic is worn by a speaking partner. It picks up their voice and streams the sound directly into both of your hearing aids. Accessories must be compatible with the version of the hearing aids you are using. While there is some overlap in compatibility between platforms, you should ensure your version of the hearing aids will work and are compatible with the specific accessory(s) you are considering purchasing. We have many other hearing aid accessories available, please feel free to check out our eBay store 30 Days Warranty We ship same day Any questions please ask ALL ITEMS ARE SHIPPED THE SAME DAY VIA USPS, OR UPS AT OUR DISCRETION, CONTACT US FOR SHIPPING QUOTES THANK YOU FOR VIEWING THIS ITEM!According to the FDA, it is in your best health interest to obtain a professional medical evaluation before purchasing a hearing aid and you are encouraged to do so before bidding on this item. If you choose to not obtain a medical evaluation before purchasing this item, I am required by law to provide to you and obtain from you a signed written waiver of the medical evaluation, and I am required to provide to you a copy of the User Instruction Brochure for a hearing aid, review the contents of that brochure with you, and afford you time to read the brochure. You must provide to me either a signed statement from a physician or a signed waiver before I will deliver this item to you. Upon your request, I will also provide to you a copy of the User Instructional Brochure for the hearing aid or the name and address of the manufacturer or distributor from whom a User Instructional Brochure for the hearing aid can be obtained.