Accurate and easy to use<br />Made of durable soft plastic， comfortable to use <br />Offer superior sound quality with low distortion  <br />Material: plastic <br />Color: brown <br />Size: 50 x 45 x 9.5 mm  <br />Buttons: ON/OFF， Volume control (1.2.3.4.)  <br />Working conditions: <br />Relative temperature: 5 to 40 Celsius degrees <br />Relative humidity: ≤80% <br />Atmospheric pressure: 86kPa-106kPa <br />Voltage: DC 1.5V<br />Current: ≤ 4 mA<br />Battery: 2 x AG13 button battery<br />Features: <br />Max saturated sound pressure level: 130db±5db<br />Gain: 38db±5db <br />Harmonic distortion: ≤10%<br />Frequency range: 300 ~ 4000 Hz<br />Equivalent noise: ≤ 30 dB<br />Note:<br />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 Instructi<br />Drugs and other items that require a prescription from a doctor， dentist， optometrist， or veterinarian aren't allowed on eBay. Listings for health care or other medical-related items are also restricted.<br />Disclaimer:<br />"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."<br />1 x Hearing aid<br />2 x Button batteries <br />3 x Earbuds<br />1 x English user manual<br />In original package<br /><img src="http://img6.eachbuyer.com/x9/p100/hb101_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/hb101_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/hb101_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/hb101_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/hb101_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/hb101_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/hb101_7.jpg" />