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HearNa HAS11 High Quality Behind-the-Ear Hearing Sound Amplifiers
DESCRIPTION
Specification:
Max Sound Output:130+-5dB
Sound Gain:>=50dB
Total Harmonic Wave distortion:Frequency:300-4000 Hz
Input noise:Working voltage:D.C.1.5V
Working Current: Battery size: Ag13
Note:
1.It is forbidden to used by those patients with tympanitis or ear pyogenesis.
2.Don't use it at high volume for long time. Otherwise it will injure your ear. If you feel uncomfortable, please stop using.
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.
4.Avoid shocking, falling the product. Don't keep or use it in environment of humid of high temperature.
5.Din't throw the scrapped battery as common rubbish, it should be handled by special equipment.
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. 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.
7.Don't use the products in potential explosive or dangerous environment.
8.Keep the until away from the children. It will be injure him or others, or damage the unit.
Accessory:
2 x Ag13 battery
3 x ear tips
1 x storage box
1 x manual book
Max Sound Output:130+-5dB
Sound Gain:>=50dB
Total Harmonic Wave distortion:Frequency:300-4000 Hz
Input noise:Working voltage:D.C.1.5V
Working Current: Battery size: Ag13
Note:
1.It is forbidden to used by those patients with tympanitis or ear pyogenesis.
2.Don't use it at high volume for long time. Otherwise it will injure your ear. If you feel uncomfortable, please stop using.
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.
4.Avoid shocking, falling the product. Don't keep or use it in environment of humid of high temperature.
5.Din't throw the scrapped battery as common rubbish, it should be handled by special equipment.
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. 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.
7.Don't use the products in potential explosive or dangerous environment.
8.Keep the until away from the children. It will be injure him or others, or damage the unit.
Accessory:
2 x Ag13 battery
3 x ear tips
1 x storage box
1 x manual book
- One button operation, which is easy to use. (One on-off button and one volume button. Easy for the old people to learn.)
- High cost performance. With the same performance, the cost performance is higher. (Sound is good distortion is small. Easy operation with many shifts of tone tuning).
- Light and handy appearance. Easy to carry. (Designed according to human ear canals, easy to adorn. Exquisite and small. Adorn firmly with sweatproof and anti-skidding surface materials.)
- Various kinds of earplugs. Adorn comfortably. (Choose the suitable earplugs according to your ear canals.)
- The wire tubes can be rotated 360 degree, which is more adaptable for both ears.