Best Rechargeable Hearing Aid Prices As Seen On TV
Rechargeable Hearing Aid Amplifier Personal Sound Amplifiers Noise Reduction 4 listening modes to Assist Hearing for Adults and Seniors, Fit Both Ears right and left.
Features:
1.Sound Output: 130dB ± 5dB
2.Peak Gain: 40dB ± 5dB
3.Harmonic Wave Distortion: ≤5%
4.Frequency Range: 450~5000 hz
5.Equivalent Input Noise: ≤30 dB
6. Adjustable Volume Wheel
7. Power On/Off Switcher
8.Mode button: High/Low,Wide/Narrow Frenquency mode/Environment
9.Battery: Built-in High quality Lithium battery
10. Rechargeable battery duration max. 100 hours
11.The rechargeable battery cycle time up to 500 times without decline
12. Short Full charging time 4-6 hours (First charging up to 6 hours)
13.Working Voltage: D.C.3.7V，Working Current: ≤0.8 mA
14.12 Months warranty service
2.Peak Gain: 40dB ± 5dB
3.Harmonic Wave Distortion: ≤5%
4.Frequency Range: 450~5000 hz
5.Equivalent Input Noise: ≤30 dB
6. Adjustable Volume Wheel
7. Power On/Off Switcher
8.Mode button: High/Low,Wide/Narrow Frenquency mode/Environment
9.Battery: Built-in High quality Lithium battery
10. Rechargeable battery duration max. 100 hours
11.The rechargeable battery cycle time up to 500 times without decline
12. Short Full charging time 4-6 hours (First charging up to 6 hours)
13.Working Voltage: D.C.3.7V，Working Current: ≤0.8 mA
14.12 Months warranty service
HOW TO USE?
* Please make sure the amplifiers is fully charged before use.
* Please choose suitable size earplug and fit the amplifier into your ear canal deep enough to avoid air leakage, extra noise or howling.
* Press "M" button, long press 3 seconds for turn on/off. Short press for changing mode.
*Adjust volume to the minimum before wearing, then turn up the sound gradually to avoid sudden increase in sound. Generally, You will get used to it after 2-3 weeks.
PLEASE NOTE:
*If you hear a howling, check the ear(silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage;
*Keep the ear plug clean.