Hearing aid "HA-98" series have features as follows:
HA-98 series are with import parts and modern technology. They have attactive design, appearance with small size. And they are light, less noisy, also have fine fidelity and tone. Customers may have three choices of tone adjustment. These products are ideal hearing aids for the deaf, either of slight or middle degree.
MODEL ITEM IDEX HA-9811 Peak Gain ≥ 50 dB HA-9812 Peak Gain ≥ 45 dB HA-9813 Peak Gain ≥ 56 dB
HA-9811/9812/9813 Max Output ≤ 135 dB Total harmonic wave distortion ≤ 10% Equivalent Input Noise Level ≤ 32dB Frequency Range: 400~3500Hz Battery/Voltage/Current: AAA/1.5V/6.8mA Volume: 6.3*4.2*1.4cm Weight: ≤ 25g(exclude battery) Direction: All directions Environment temperature: 5'C~40'C Relative Humidity: ≤ 80% Atmospheric Pressure: 86kPa~106kPa