Wired Hearing Aid Noise Reduction Sound Amplifier Ear Care Health Supplies for Hearing Impaired

Feature： 1. With high‑frequency tone reduction, low‑frequency tone control and output adjustment, the final output sound is most suitable. 2. Intelligent noise reduction, automatically adjust the sound to a comfortable range, thereby protecting hearing, and the sound is more realistic and delicate. 3. The operation is simple and convenient, one‑button switch, you can see it at a glance, and the elderly can easily use it. 4. External o interface, convenient o input, adjustable volume, convenient and fast. 5. Designed for the hearing impaired, professional accessories are designed for everyday wear. Specification： Item Type： Hearing Aid Material： ABS Host Size： Approx. 6.5x4x2cm2.6x1.6x0.8inScope Of Application： Suitable for hearing impaired people Maximum Sound Output： 130+- 5dB Sound Gain： more than 50dB Total Harmonic Distortion： <5percent Frequency Range： 300--4000HZ Input Noise： less than 30dB Voltage： D.c 1.5V Current： less than 4mA Power Supply： 1 x AA battery (NOT Included) Instructions： The Preparation of The Receiver： 1. Choose the appropriate size earplugs and insert them into the hearing aid headset. 2. Insert the hearing aid cord into the main unit (note the size of the two holes on the main unit). 3. Put the hearing aid with earplugs into the ear. Usage：1. Turn on： Turn up the switch key, and make sure that the sound is adjusted to the minimum when you start using it2. Shut down： Turn the power button down, and turn off the hearing aid when not in use3. Loud volume can cause injury, please make sure the volume control button is in the proper position before turning on4. When adjusting the volume, move slowly until it is adjusted to the most suitable volume. Package List： 1 x Host 1 x Hearing Aid Cable2 x Earplugs1 x English Manual Note： 1. It is forbidden to use for patients with otitis media or ear abscess.2. Do not use at high volume for a long time. Otherwise it will hurt your ears. If you feel unwell, stop using it.3. Please take care of the product at any time to prevent the earplugs and the radio hole from being blocked by foreign objects. This will affect the effect of the amplifier.4. Avoid electric shock and dropping the product. Do not store or use in a humid, high temperature environment5. Don't throw away waste batteries. General garbage should be handled with special equipment.6. If you do not use it for a long time, please remove the battery. Otherwise, the parts will be corroded by the rotten liquid in the battery.7. Do not use this product in an explosive and dangerous environment.8. Don't leave this thing to children. It will hurt him or others, or damage the unit.