This hearing aid is for people with slight or moderate hearing loss. With the super mini size, it will be great to be hidden. You can use the adjustable bar to change the volume according to your needs. By the way, there are 3-types ear tips(small,medium, large), you can choose the best to match your ear. Specification Sound gain: ≥ 35 dB / 28 Battery size: A10 Total harmonic distortion: <5% Operating current: ≤ 6 mA Frequency range: 200 to 4000 Hz Working time / H: 29 Input noise: ≤ 35 dB Battery : 2pcs, Volume Sticker: 1pcs, Ear Tip: 3pcs, Package Box: 1pcs, Directions: 1pcs Certification: FDA Machine Size: 1 X 1.6 x 1 , 3 Hearing loss: slight and moderate deafness. Characteristic: 1. A key switch, volume control, easy operation 2. The corresponding uncomfortable thresholds will correctly adjust the maximum output, protect the ear and adjust the low distortion 3. Different earplugs that are suitable for the ears of different people are prepared 4. Invisible mini type of ITC hearing aid hidden in the ear. 5. A beautiful design with a convenient pull line to remove the hearing aid from the ear Factory direct sales, reasonable price, high quality)
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