Product: Upgrade Rechargeable Hearing Sound Amplifiers Aids with USB Portable Charging Case in The Ear Hearing Assist,Looks Like Earbuds, White
Brand: Hifisoundy
Color: White
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 feedback?
 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.

 3) Can't Charge Normally
 √Clean the charging pin for a better connection.
 √Slightly adjust the position of hearing aids for a perfect connection.
 √The projector light turns blue when it is connected well; the light turns white when it is fully charged.
UPDATED VERSION: Designed for mild to moderate. This amplifier upgrade a better speaker, helps users to hear missed sound with maximum clarity.
EASY TO OPERATE: A key switch to adjust volume and turn on/off. Short press for Volume, long press for turn on/off, no need to take it off.
RECHARGEABLE: 10 Hours working for sound amplifier. 3 to 4 times charging with portable case. Charge anytime and anywhere. No need to replace those small, expensive batteries.
COMFORTABLE TO WEAR: about 0.8*0.6*0.9 inches, compact and portable. 3 shape earplugs are provided, which can fit all people and very comfortable.
HASSLE-FREE AFTER-SALES: If you encounter any problems or dislike in the process. Please contact us, we'll make you satisfied. [Wear Ways]: The MIC is above, the volume control button is below.

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