THIS ITEM IS FOR A SET OF MD Volt / BATTERY HEARING DEVICES POWERED BY SIZE 13 BATTERY Intended for Mild to Severe Hearing Loss Comfortable BTE Model, Easy to Use New class-D amplifier /Low currency consumption Low Sound Distortion Easy to Use Up and Down with Roller Low Battery Warning Frequency Controls for Unique Environments Normal/Everyday Frequencies Low Battery Warning, Low Power Consumption. „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. „