A Pair Invisible Voice Amplifier Adjustable Mini Ultra Small Invisible Sound Amplifier Hearing Aid In Ear Sound Enhancement
Technical Details
| Brand Name: | Sumifun |
| Color: | subject to the actual product |
| Current: | ≤ 4mA |
| Frequency range: | 300-4000Hz |
| Maximum sound output: | 110±5dB |
| Model Number: | Hearing aid |
| Name: | Hearing aid |
| Sound Gain: | ≥30dB |
| Total harmonic distortion: | ≤10% |
| Voltage: | DC1.5V |
