Sell Loudly High Power Hearing Aids Elderly BTE Ear Hearing Amplifier USB Rechargeable Hearing Aid best price

Feature 1. Max sound gain:46±5,Suitable for mild to moderate hearing loss (Reference hearing loss map) 2. Binaural universal design.High power, louder. 3. Charging time: Charging 3 hours,can last about 10 hours.Saves your trouble to buy button batteries frequently. 4. If the ear dome is not completely fill into ear canal or air leaks at the ear dome, which will causes a annoying whistle.We give 3 different sizes of earplugs to reduce howling and noise. Product Details Peak OSPL90(dB SPL):130dB Peak Gain(dB):46±5 Frequency range(Hz):100-5500Hz Instructions 1. Clean the ear canal before use. 2. Charge the hearing aid,turn the botton to N. 3. When using it for the first time, please turn the volume to the minimum and then slowly increase it. 4. Try and select suitable ear dome. Install the ear dome and make sure it fits snugly. 5. Insert the hearing aid into the ear canal,adjust its position in the ear canal until the soft eartip is fully deployed and fill the ear canal. Noted 1. If the earbuds cannot fill the ear canal, it may cause feedback or whistler,So repeat step 5 to reduce howling and noise. 2. Turn off or remove the battery if you don't use it. Product included 1 * hearing aid 3 * earmuffs (different sizes) 1 * charging cable 1 * charging head 1 * Instructions (Please make sure has read the manual before using)