In-Ear Canal Sound Amplifier Deaf Hearing Aids, K-80 – TPU
In-Ear Canal Sound Amplifier Deaf Hearing Aids, K-80 – TPU.
Key Features:
- Hearing aid, When you watch movie, enjoythe drama, attend meeting, or have classes, the product can help you to hear the sound clearly and loudly. While in...
- Specification:
- Max sound output:110+-5Db
- Sound gain:about 30dB
- Total harmonic wave distorting:about 10 ???
- Frequency range:300-400Hz
- Input noise: about 40dB
- Voltage:d.c.1.5V
- Current: about 4mA
Package Info: Weight: 0.32kgs / 0.70lb
Shipping: Shipping charges and final delivery dates are shown at checkout.