JH-351 BTE FM Rechargeable Hearing Aid / Hearing Amplifier
Specification of JH-351 BTE FM Rechargeable Hearing Aid Hearing Amplifier
|Max Sound Output||130 ± 5dB||Voltage||1.5V|
|Sound Gain||≥45dB||Battery size||Built-in lithium battery|
|Total Harmonic Wave Distortion||500Hz <= 3%||Battery capacity/Mah||/|
|800Hz <= 5%|
|1600Hz <= 1%|
|Operation Current||≤4mA/3.5||Operation current/mA||3.5|
|Frequency Range||300-6000Hz||Working time/H|
|Input Noise||≤30dB||Charging current||28 MA|
|Hearing Loss||slight, moderate||Machine size/cm||1.4*0.9*4.5|
Features JH-351 BTE FM Rechargeable Hearing Aid Hearing Amplifier1. Contacting with USB line, no matter AC adapter, computer or car all can be charged.
2. Corresponding uncomfortable threshold properly adjust the maximum output, protect the ear
3. 3 different shape earplugs and 2 ear tubes are provided, which can fit different people's ear size and canals;
4. Clear sound quality with low noise microphone, balanced armature loudspeaker, and a high gain integrated amplifier.
5. Open fit hearing aid, the tube can be adjustable to different sizes ears with comfortable wear;
6. Push-button tuning, convenient and efficient;
7. Multi-function keys, including FM, switch, power display, high-end atmosphere.
8. Low frequency and high frequency are changed by one switch to adjust different environment;
Precautions of JH-351 BTE FM Rechargeable Hearing Aid Hearing Amplifier1. Charging time: It will take around 11 hours for a finished battery to be fully recharged. It's strongly suggested to charge for 12 hours for the first time charging.
2. During the charging period, the indicator light in the adapter base is showing Redlight
3. After charging completed, the indicator light will turn to Greenlight.
4. Important to off the machine before you put on it to your ear.
5. To choose the right size of earplugs will be more comfortable to the ear, and help a better sounds gain, and avoid any extra noise.
6. The switch should be turned to the off position when the apparatus is not in use. That will ensure longer battery life
Package Included Of Rechargeable Hearing Aid1 Hearing Aid
3 Ear tips
1 USB Line
2 Ear tube
1 Strong box
1 Manual book
2 Cleaning tools