Portable Charging Case - The protection box has built-in 300mAH battery, which is convenient for charging the ear amplifier through magnetic contact anytime and anywhere. It can be used for 20 hours after charging 2 hours, lasts longer than other types of device. Please make sure it full charged before use.LIGHT WHITE = FULLY CHARGED. Choose proper sound tube and install ear dome.
Wear the hearing amplifier and Put the concha lock inside your ear. Press''M'' BUTTON 3s to turn on the unit. Turn up the volume gradually.
Good for regular everyday listening. Short press "M" (1 second)? Beep = program 1 = NORMAL MODE.
Good for restaurants, outdoor etc. Beep Beep = program 2 = NOISE MODE. Beep Beep Beep = program 3 = TELEPHONE MODE. 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. V 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. V 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. 3 Can't Charge Normally?
VSlightly adjust the position of hearing amplifiers for a perfect connection. VThe light turns blue when it is connected well; the light turns white when it is fully charged. Clean your device regularly to prevent build-up of wax.Keep the device functioning properly. This item is in the category "Health & Beauty\Medical & Mobility\Daily Living Aids\Hearing Assistance\Hearing Aids".
The seller is "ushearingaidstore" and is located in this country: US. This item can be shipped to United States.