This is an unopened receiver.  It is Connexx mini Receiver 2.0 for Signia, Rexton, Kirkland (Costco), Miracle Ear and TruHearing aids.  It has the rectangular SIM type connector. If you have questions, please ask away!  Thanks
These are parts, not actual hearing aids but Ebay requires this disclosure anyway
FDA Disclosure
“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.”