China Retone Rechargeable Bluetooth Hearing Amplifier Old Care Hearing Aid, Find details about China Headphone, Medical Equipment from Retone Rechargeable Bluetooth Hearing Amplifier Old Care Hearing Aid
Invented by Professional R & D team, these hearing aids are precisely
tuned to the range of sounds associated with the human voice and can
assist 94% of hearing loss with mild to moderately-severe hearing loss.
Hearing aids designed specifically for hearing impaired people do not
feel pain even when worn for a long time. Low power consumption, medical
materials, high quality imported chips, will not hurt your ears.
Battery: | Rechargeable | Harmonic distortion : | |
color: | skin Color | 500Hz: | 2% |
Maximum output : | 115 | 800Hz: | 2% |
Average output (dB SPL): | 105 | 1600Hz: | 2% |
range gain (dB): | 40 | model: | Analog model |
Average gain (dB): | 32 | Button: | Joker button |
Frequency range (Hz): | 250-5500 | Bettery Current(mA): | 1 |
Internal noise (dB): | 20 | Bluetooth: | √ |
Volume Control: | Rocker-Control | HFA/FOG(dB): | 35 |