Each charge will work for 20 hours. Portable charging case takes 2.5 hours to be fully charged.
2 hours automatically shut-off when fully charged without damaging batteries. (The white light will go out).[WARM TIPS]: In order to avoid squeaking and save power, pls turn off the amplifiers before charging. This Advance Rechargeable Hearing Amplifier is Perfect For.. Whether in a quiet or noisy environment, you can receive clearer sound.
Enjoy watching TV with your lover without having to tune the sound too loudly. With this amplifiers, you can easily enjoy conversation, You won't need to aks people to repeat what they said or pretend you heard them. Plus telecoil for use with equipped telephones, easily hear the person on the other end of the call without any issues or interference.
What's in the box. 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 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.
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. Slightly adjust the position of hearing amplifiers for a perfect connection.
The 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. You must provide to me either a signed statement from a physician or a signed waiver before I will deliver this item to you. The item "US 1Pair Invisible Hearing Amplifier Rechargeable Digital Sound Device HighPower" is in sale since Wednesday, December 2, 2020. 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 Rancho Cucamonga, California.This item can be shipped to United States.