Features
<br />:
<br />Brand new and high quality hearing aid sound amplifier.
<br />Super
<br />mini
<br />size and light weight, not easily to be seen.
<br />Adjust volume to the
<br />mini
<br />mum before wearing.
<br />Increase volume gradually to avoid sudden increase in sound.
<br />Convenient for wat
<br />chi
<br />ng movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly.
<br />Specifi
<br />cat
<br />ion:
<br />1. Max sound output: 110±5dB
<br />2. Sound gain:  30dB
<br />3. Total harmonic wave distortion:  10%
<br />4. Frequency range: 300-4000Hz
<br />5. Input noise:  40dB
<br />6. Voltage: DC1.5V
<br />7. Current:  4mA
<br />8. Color: As pictures
<br />Note:
<br />1. It is forbidden
<br />to used by those patients with tympanitis or ear pyogenesis.
<br />2. Don't use it at high volume for long time. Otherwise it will injure your ear. If you feel uncomfortable, please stop using.
<br />3. Please maintain the products all the time, avoid ear plug and sound collecting hole being blocked by foreign objects. It will affect the effect of sound amplifier.
<br />4. Avoid shocking, falling the product. Don't keep or use it in environment of humid or high temperature.
<br />5. Don't throw the scrapped battery as common rubbish, it should be handled by special equipment.
<br />6. Please take out the battery if don't use it for a long time. Otherwise the components will be rotted by time. Rotten liquid from battery.
<br />7. Don't use the product in potential explosive or dangerous environment.
<br />8. Keep the unit away from the children. It will injure him or others, or damage the unit.
<br />Package Included:
<br />1 x Hearing Ai
<br />ds
<br />2 x AG3 Button Cells
<br />1 x Instruction Manual
<br />1 x Case
<br />4x Units of earplug of different size