Máy trợ thính kỹ thuật số F138 dành cho người cao tuổi
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Giới thiệu Máy trợ thính kỹ thuật số F138 dành cho người cao tuổi
【SUN】Elderly Hearing Aid F138 Loudspeaker Digital Hearing Aids For The ElderlyFeatures:
1. Adjustable mode: You can choose 3 different frequency modes and 4 types of volume to ensure that you can hear clear sound in different volume environments. Comfortable and fluffy, easy to wear anytime, anywhere.
2. Double noise reduction function: upgraded smart chip, noise reduction is 30% higher than usual. It sounds more natural and provides you with a wonderful experience. Excellent sound quality and comfortable listening. Suitable for all people with poor hearing, the angle of the earplugs can be adjusted, suitable for left and right ears.
3. Safe and comfortable hearing aids: hearing aids for the elderly are made of the latest materials, the shell is made of nano-coated, waterproof and sweat-proof; the material domes of different sizes are suitable for everyone, and are equipped with cleaning tools to extend the service life; very compact, It is very suitable for the ear canal, without radiation, which can harm human ears.
4. Avoid squeezing noise: Before wearing the hearing aid, please turn the volume to the lowest. When wearing, make sure that the earplugs fit tightly with the ear canal, otherwise it will cause interference and howling. Then slowly increase the volume as needed until you can clearly hear the external sound.
5. A good gift for the elderly: well packaged and easy to use. If your elderly have difficulty hearing, this is a practical, efficient and economical hearing device.
Description:
You can choose 3 different frequency modes and 4 types of volume to ensure that you can hear clear sound in different volume environments. Comfortable and fluffy, easy to wear anytime, anywhere.
Specifications:
Earplugs/earmuffs material: silicone
Headphone cable material: PVC
Max sound output: 130±5db
Sound gain:≥50dB
Total harmonic wave distortion: ≤5%
Frequency range: 300HZ-4000HZ
Input noise:≤30dB
Voltage: d.c. 1. 5V
Current:≤4mA
Size: 5.5*5cm
Package Included:
1pc* Hearing Aid
1pc* Hearing aid amplifier
2 pcs* AG13 button cell battery
2 pcs* Ear cap
1pc* Box
1pc* Manual
Notes:
1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.
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