This heard in hearing aid is designed for old people or people with hearing problems, suitable for those people who was hearing loss or patients. Low power consumption, high-fidelity, medical material, fine quality imported chip, invisibility fleshcolor surface will not incongruity in the crowd. User-oriented design make the hearing aid can perfect the ear. You can have a try.Features:This heard in hearing aid is designed for old people or people with hearing problems, suitable for those people who was hearing loss or patients.Low power consumption, high-fidelity, medical material, fine quality imported chip, invisibility fleshcolor body will not incongruity in the crowd.This affordable hearing aid have volume control, can adjust the volume to fit your own needs and preferences.installation  2 * A10 battery, smaller, simpler, more conveient, more powerful and more stable.Use digit circuit, automatic noise dropping technology, natural HQ sound, provides you a wonderful experience.Ergonomic design ear canal simulator, will not feel pain even after long time wearing.Medical non-toxic material equipped with medical soft silica gel, will not harm your ear.Equipped with one screwdriver, adjust the sound volume.Equipped with 3 size earplugs and two black brush, easy using and easy washing.Also provide better technology in ray of hearing aid, to reduce electromagnetic interference.Specifications:Name: Hearing Aid KitMaterial: silica gel+ABSColor: fleshcolorThe biggest way out: 125 + / - 3 dbThe lowest way out: 30 + / - 5 dbThe total harmonic distortion wave: ≤ 10%Frequency range: 200-3000 hzNoise: ≤ 32 dbVoltage: 1.5VCurrent: ≤ 3.5mAItem size: 12 * 12 * 18 mm / 0.47 * 0.47 * 0.71inItem weight: 3g / 0.11oz
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