Specification:
- Type: K-188 Hearing aid
- Max Sound Output: ≥110 dB ± 5dB
- Max Sound Gain: ≥30 dB ± 5dB
- Frequency Range: 300~4000Hz
- Input Noise: ≤40 dB
- Battery: A10 Button battery (included)
- Working Voltage: dc1.5V
- Working Current: ≤3mA
Customer Questions and answers :
Login to ask a question