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BTE Wireless hearing aids headphones rechargeable for the deaf severe hearing loss sound amplifier
BTE Wireless hearing aids headphones rechargeable for the deaf severe hearing loss sound amplifier
Regular price
$81.99 USD
Regular price
$0.00 USD
Sale price
$81.99 USD
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SPECIFICATIONS
Certification: CE
Model Number: A21
1.OSPL90:<117dB
2. Output sound pressure level (high frequency average): <111dB
3. Full Gear Sound Gain (Maximum Gain): <40dB
4. Full Gear Sound Gain (Average Gain): <35dB
5. Equivalent input noise level: <32dBA
6. Frequency response range: F1≤250Hz, F2≥5000Hz
7. Total Harmonic Distortion: <5%
