Ultra convenient and easy to carry.<br>In the design of mini size but with low noise.<br>Offers comfortable silicone earplugs in 3 sizes to fit most ears.<br>It is beneficial for people have hearing problems.<br>Size: 2.4 x 1.8 x 1.2 cm <br>Color: brown<br>Battery type: AG3 (Note: The battery is included in the product)<br>Light weight<br>Could be used on either ear<br>With volume on / off switch<br>1. Normal working conditions:<br>a) Environmental temperature: 5 ℃ ～ 40 ℃<br>b) Humidity: ≤ 80%<br>c) Barometric pressure: 86 kPa ～ 106 kPa<br>d) Working voltage: 1.5 V DC， with a 5%， -10% relative error ( By using a AG3 button battery )<br>2. Eletroacoustic performance:<br>a) Max saturated sound pressure level: ≥120 dB <br>b) Full-on acoustic gain: ≥30 dB<br>c) Average acoustic gain: ≥18 dB<br>d) Harmonic distortion: <br>- no more than 10% when frequency less than 1000 Hz<br>- no more than 4% when frequency more than 1000 Hz<br>e) Equivalent noise: ≤ 50 dB<br>f) Frequency response: above 250 Hz ～3500 Hz<br>Note: We have many other beauty and health products， welcome to our store.<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>3 x Silicone ear cushions<br>2 x Button battery<br>In original package<br /><img src="http://img6.eachbuyer.com/x5/p80/hn73_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p80/hn73_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p80/hn73_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p80/hn73_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x5/p80/hn73_5.jpg" />