2019 Hearing Aids for The Elderly Small Mini Behind The Ear Sound Voice Amplifier Adjustable Tone Digital Hearing Aid Device
Technical Details
| Battery: | 1.5V, 65mAh botton battery |
| Brand Name: | carevas |
| Current: | less than 4mA |
| Frequency range: | 300Hz-40000Hz |
| Input Noise: | less than 30dB |
| Maximum sound output: | 130±5dB |
| Model Number: | Hearing Aid |
| Sound Gain: | more than 50dB |
| Total harmonic distortion: | less than 5% |
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