Product Details: Hearing Aid Condition: New Material: Plastic Specifications: Max sound output: 130±5dB Sound gain: ≥50dB Total Harmonic Distortion: ≤5% Frequency range: 300-4000Hz Input noise: ≤30dB Voltage: DC 1.5V Current: ≤4mA When you see the film, watch the play, have meeting, or have classes, this product can help you to hear the sound clearly and loudly Made of durable soft plastic material that comfortable NOTE: 1. It is forbidden to used by those patients with tympanitis or ear pyogenesis 2. Don\'t use it at high volume for long time. Otherwise it will injure your ear If you feel uncomfortable, please stop using 3. Please maintain the products all the time, avoid ear plug and sound collecting hole being blocked by foreign objects. It will affect the effect of sound amplifier 4. Avoid shocking, falling the product. Don\'t keep or use it in environment of humid or high temperature 5. Don\'t throw the scrapped battery as common rubbish, it should be handled by special equipment 6. Please take out the battery if don\'t use it for a long time. Otherwise the components will be rotted by time. Rotten liquid from battery 7. Don\'t use the product in potential explosive or dangerous environment 8. Keep the unit away from the children. It will injure him or others, or damage the unit Color: Nude, and more details are shown as pictures PLS NOTE that due to lighting effects, monitor\'s brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item! Package Content: 1 x Hearing Aid 2 x AG13 Button Cell Battery 3 x Earplug 1 x Carrying Case 1 x User Manual
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