Material: ABS2. Built-in lithium battery 30mAh3. Frequency range: 450-3400MHz7. Input noise: less than or equal to 32dB8. Working current: less than or equal to 1.2mA9. Total harmonic distortion: less than or equal to 10%10.
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Material: ABS2. Charging case battery capacity: 300mAh3. Hearing aid battery capacity: 35mAh4. USB charging, easy to use5. Light and compact, comfortable to wear6. Hearing aid battery capacity: 35mAh.
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This hearing aid is specially designed for the elderly or people with hearing problems, suitable for those people or patients with hearing loss.2. Low power consumption, high fidelity, high quality chip.3.
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Sound output (MAX): 129+/-4 dB2. Sound Gain (MAX): 50dB +/- 5dB3. Harmonic distortion: less than or equal to 5%4. Frequency range: 450~3500hz5. Input noise: less than or equal to 30 dB6. Battery: Lithium battery7.
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Material: ABS 2. Function: hearing aid 3. Battery capacity: 50mah Features: 1. 16-channel digital chip, digital noise reduction, high-definition sound quality 2. 4 modes are adjustable, suitable for different hearing needs 3.
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Invisible hearing aid sound amplifier. Super mini size and light weight, not easily to be seen. Power by 2 x A10 Button batteries. Ear universal hearing aid for Left / Right. 1 x Hearing Aid. Input Noise <=40dB.
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Mini and lightweight, ergonomic design, invisible and comfortable to wear3. Suitable for the elderly and hearing impaired6. Material: plastic2. Sound output (MAX): 115+/-3dB3. Sound gain: greater than or equal to 28dB+/-5dB4.
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Material: ABS2. Hearing aid battery: 35mAh4. USB charging, easy to use5. Lightweight and compact, comfortable to wear6. Long battery life, small size and large capacity9. Hearing aid battery: 35mAh.
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