Features:- This heard in hearing aid is designed for old people or people with hearing problems, suitable for those people who have hearing loss or patients.- User-oriented design makes the hearing aid perfect the ear.- Low power consumption, high-fidelity, medical material, fine quality imported chip, invisibility fleshcolor body will not incongruity in the crowd.- This affordable hearing aid has volume control, can adjust the volume to fit your own needs and preferences.- Powered by 1 * A10 battery, smaller, simpler, more convenient, more powerful and more stable. – Using digit circuit, automatic noise dropping technology, natural HQ sound, provides you with a wonderful experience.- Ergonomic design ear canal simulator, will not feel pain even after a long time wearing.- Medical non-toxic material equipped with medical soft silica gel, will not harm your ear.- Pull the upstright backup, you can open the battery box, easy and convenient.- Equipped with one screwdriver, adjust the sound volume.- Equipped with 3 size earplugs and one brush, easy to use and easy washing.- Also provide better technology in ray of hearing aid, to reduce electromagnetic interference.- The ideal people to worry about hearing. - Specifications:Name: Hearing Aid - Material: silica gel - Color: fleshcolor - The biggest way out: 125 + / 3 db - The lowest way out: 30 + / 5 db - The total harmonic distortion wave: ≤ 10%Frequency range: 200-3000 hz - Noise: ≤ 32 db - Modern horse: ≤ 5Voltage: 1.5VCurrent: ≤ 3.5m - ABattery Type: 1*A10 battery Its size: 12*12*18 mm / 0.47*0.47*0.71in - Item weight: 3g / 0.11oz - Package size: 100*50*30mm / 3.94*1.97*1.18in - Package weight: 60g / 2.12oz - Package list:1 * Hearing Aid Kit