Hearing Aid Earphones Wireless Digital Elderly Improve Listening Sound Amplifier Earbuds

Feature: 1. The sound quality is clear, low power consumption, low distortion, and natural original sound. 2. This hearing aid can hear all sounds clearly whether at home or on a noisy street. 3. The body design is ergonomic, compact and beautiful, and wears no weight. 4. The earplugs are made of food-grade silica gel, which is easy to remove and wear. 5. This elderly hearing aid is skin-friendly and environmentally friendly and does not hurt ears. Specification: Item Type: Hearing Aid EarphonesMaterial: ABS Power Supply: 1 x LR44H battery (not included) Maximum Sound Output: 130+-5dB Maximum Sound Gain: 50dB Total Harmonic Distortion: 5percent Frequency Range: 300Hz-4000Hz Input Noise: 30db Voltage: 1.5v Current: 4mA.Instructions: 1. Open the box cover and place the battery in the correct direction. LR44H 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 cannot be inserted tightly, please replace the earplugs of other sizes. Package List: 1 x Hearing Aid Earphone2 x Earplugs1 x English Manual Note: 1. It is forbidden to use for patients with otitis media or ear abscess.2. Do not use at high volume for a long time. Otherwise it will hurt your ears. If you feel unwell, stop using it.3. Please take care of the product at any time to prevent the earplugs and the radio hole from being blocked by foreign objects. This will affect the effect of the amplifier.4. Avoid electric shock and dropping the product. Do not store or use in a humid, high temperature environment5. Don"t throw away waste batteries. General garbage should be handled with special equipment.6. If you do not use it for a long time, please remove the battery. Otherwise, the parts will be corroded by the rotten liquid in the battery.7. Do not use this product in an explosive and dangerous environment.8. Don"t leave this thing to children. It will hurt him or others, or damage the unit.9.The unit is in the "off" position. The volume is adjusted to 1. Otherwise, the instant sound will make you uncomfortable).