Invisible Ear Hearing Aids The Elder Deaf Sound Amplifier Volume control Digital Hearing Aid For Sound Enhancement
Technical Details
| Battery: | A10 Button battery (included) |
| Brand Name: | agdoad |
| Feature: | Hearing Aid In Ear Sound Enhancement Deaf Aid |
| Frequency range: | 300-4000Hz |
| Input Noise: | ≤40 dB |
| Max Sound Gain: | ≥30 dB ± 5dB |
| Max Sound Output: | ≥110 dB ± 5dB |
| Model Number: | Microphone Extraction cord ear invisible sound amplifier |
| Working Current: | ≤3mA |
| Working voltage: | dc1.5V |
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