Hearing aid "HA-93B" has features as follows:
HA-93B is with import parts and modern technology. It has attactive design, appearance with small size. And it is light, less noisy, also has fine fidelity and tone. Customers may have three choices of tone adjustment. This product is an ideal hearing aid for the deaf, either of slight or middle degree.
MODEL ITEM IDEX HA-93B Peak Gain ≥ 45dB Max Output ≤ 135 dB Total harmonic wave distortion ≤ 10% Equivalent Input Noise Level ≤ 33dB Frequency Range: 300~4000Hz Battery/Voltage/Current: AA/1.5V/6.8mA Volume: 7.4*4.2*2.1cm Weight: 50g Direction: All directions Environment temperature: 5'C~40'C Relative Humidity: ≤ 80% Atmospheric Pressure: 86kPa~106kPa