YT-H711 Retone Hearing Aids Machine Bluetooth Self Fitting
What is the advantage of BTE Bluetooth Hearing Amplifier ?
1.The hearing amplifier aids supports Bluetooth connection, long press the Hearing Aid "M" button for about 3 seconds, connect to the mobile phone or TV, you can enjoy music or answer the phone.
2.The newly upgraded smart chip, the noise reduction ratio is increased by 30%. Pair it with earplugs of different sizes to further reduce howling, which sounds more natural and provides you with excellent sound quality and a comfortable listening experience. Suitable for all kinds of people with poor hearing, the angle of the earplugs can be adjusted, suitable for both left and right ears.
3.The hearing aid is small and convenient, and does not affect wearing glasses. The ergonomic design fits the auricle perfectly and is not easy to fall off. Use air ducts to make the sound more delicate. Humanized design, the hearing aid can be worn on both left and right ears, skin-friendly silicone earplugs, no discomfort when worn for a long time.
4.The hearing aid can be fully charged in 3 to 4 hours,Up to 60 hours of use,you don't need to change batteries frequently.When charging,turn the switch to "O" gear,Steady Green Light = Charing,Green light off = Charing Is Complete.
Features :
* BTE model with bluetooth function
* Suitable for mild to severe hearing loss(35-70dB)
Specification:
Maximum total sound pressure level 90 (dB SPL)
| ≤140dB+3dB
| High frequency average total sound pressure level 90 (dB SPL)
| 125dB±4dB
|
Full sound gain
| 40dB±5dB
| Frequency range
| F1<400Hz, F2>4000Hz
|
Total harmonic distortion
| ≤7+3%
| Level input noise
| ≤29dB+3dB
|
Battery type
| rechargeable lithium battery 100mAh | Battery Current Drain
| ≤5mAh
|
Charging time
| 1 hour
| Working time
| 10-15 hours
|
ON/OFF
| button
| Volume Control
| Roller
|
Frequently Asked Questions and Solutions:
1) Why there are some background noise?
Actually, it is the electric current sound existing in all good machines. Generally, the higher the power, the greater the static sound.
√ Turning on after put it in ears, then turn up the sound gradually. Generally, You will get used to it after 2-3 weeks.
2) What causes the squeal?
If the ear dome is not inserted well into ear canal or air leaks at the ear dome edges, when the device is close to hand or wall, a certain amount of sound will go back into the microphone. The sound is re-amplified which causes that annoying whistle.
√ Try and select suitable ear dome. Put the ear dome into the ear canal and make sure it fits snugly inside. Turning on the device after put it in ears.
Product Categories : Rechargeable Hearing Aid > YT-H711
