Max sound output: 125±4dB
Sound gain: more than 38dB
Total harmonic wave distortion: not more than 10%
Frequency range: 450 - 3500HzInput noise: not more than 30dB
ON and OFF switch
Current: not more than 2mA
Built-in rechargeable battery
The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an unauthorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.
Note: Although I am required by law to provide to you and obtain from you a signed written waiver of the medical evaluation for a hearing aid, these over the counter hearing sound amplifier aids, which do not require a prescription, they are not medical devices, and comply with all eBay guidelines. Again these are over the counter (OTC) sound amplifier aids and a waiver form is not required.
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 not to 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. I am also 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 allow 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."