Ergonomic Hearing Aid Low Distortion Lightweight Clear Sound Amplifiers Ear Care For The Deaf Elderly

Item Type: Hearing Aids Material: Abs + Silicone Power Supply: 1 X Lr44H Battery (Not Included) Maximum Sound Output: 130±5Db Maximum Sound Gain: 50Db Total Harmonic Distortion: 5% Frequency Range: 300Hz-4000Hz Input Noise: 30Db Voltage: 1.5V Current: 4Ma Instructions: Instructions: 1. Open The Box Cover And Place The Battery In The Correct Direction. Zinc-Air Battery Is The Best Choice, Long Life, Please Make Sure The Battery Box Is Closed Before Use. 2. Put The Ear Hook On Your Ear And Plug The Earplugs Tightly. (Note: The Unit Is In The "Off" Position. The Volume Is Adjusted To 1. Otherwise, The Instant Sound Will Make You Uncomfortable). 3. Turn On The Power And Adjust The Volume To Get A Clear Sound. 4. If You Hear A Whistle, Please Check Whether The Earplugs Are Plugged Tightly. If It Can’T Be Inserted Tightly, Please Replace The Earplugs Of Other Sizes.

1、Clear Sound Quality, Low Power Consumption, Low Distortion, Can Be Used At Home Or On Noisy Streets. 2、Ergonomic Body Design, Compact And Stylish, Wears Without Weight Bearing, Which Is More Comfortable. 3、Food-Grade Silicone Earplugs, Easy To Take Off And Wear, Skin-Friendly And Enco-Friendly, No Harm To Ears. 4、Helpful For People With Hearing Impairment To Hear Sound And Voice, It Has Stable And Reliable Performance. 5、With 50Db Maximum Sound Gain, 30Db Low Input Noise And 5% Total Harmonic Distortion, Dependable To Use.