JH-351O BTE FM Open Fit Rechargeable Hearing Aid / Hearing Amplifier

Specification of JH-351O BTE FM Open Fit Rechargeable Hearing Aid Hearing Amplifier
Max Sound Output	125±3dB	Noise EIN	≤32dB
Sound Gain	36±5dB	Battery size	3.7V 30mAh Built-in lithium battery
Total Harmonic Wave Distortion	500Hz <= 3.1%	Working current	≤3mA
	800Hz <= 1.7%
	1600Hz <= 0.2%
Frequency Range	200-5000Hz	Full Charging Time	2 hours
Dimension		Duration of use	More than 20 hours of use
Certification	FDA	Cycle time:	No decline within 500 times charging

Features of JH-351O BTE FM Open Fit Rechargeable Hearing Aid Hearing Amplifier

1. Rechargeable type BTE hearing aid, Eco-friendly and easy to wear with comfortable feeling;
2. Small transparent ear tube, small hearing machine, almost invisible on the ear.
3.Wide frequency range, high-quality sound and it is adjustable for frequency.
4. Open fit hearing aid, no blockage effect, improving wear comfort;
Balanced armature loudspeaker, noise canceling, better sound quality;
5. Supplied by USB charging dock with a USB charging line, easy to charge;
6. Different-sized ear tips supplied to make sure a good fit for users.

Precautions of JH-351O BTE FM Open Fit Rechargeable Hearing Aid Hearing Amplifier

1. Charging time: It will take around 2 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 indication light in the adapter base is showing Redlight
3. After charging completed, the indication 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