F-138 Tone BTE in ear Digital Mini hear Hearing Aid Aids Sound Amplifier
Technical Details
| Battery Type: | AG13 button cell battery (not included) |
| Brand Name: | OOTDTY |
| Color: | as picture show |
| Current: | ≤ 4mA |
| Frequency range: | 300 - 4000 Hz |
| Input Noise: | ≤ 30dB |
| Item type: | Ear Care |
| Max Sound Output: | 130+/- 5dB |
| Model Number: | 37466% |
| Sound Gain: | ≥ 50dB |
| Total harmonic wave distortion: | ≤ 5% |
| Voltage: | DC1.5V |
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