Sound gain:>30dB ± 5dB. Frequency range: 500-5000Hz. Product Material: ABS. Product color: Black.
JINGHAO 1 Pair Of Digital Hearing Aid Rechargeable Invisible BTE Ear Loss Aids
1 Pair Of Digital Hearing Aid Rechargeable Invisible BTE Ear Loss Aids
1 Pair Of Digital Hearing Aid Severe Loss Rechargeable Invisible ITE Ear Aids
