POLY Body Type Hearing Aids LK208
Standard Features:
High Output.
Slim Body.
Less noise, fine fidelity and tone.
With N-H switch tone adjustment.
With ON/OFF switch.
Tested according to International Standard IEC118-7.
Specification:
Max. Output: 135dB±5dB
Max. Sound Gain: ≥58±5dB
Total Harmonic Wave Distortion: F=1000Hz, ≤8%
Equivalent Input Noise Level : ≤28dB
Frequency Range: 250Hz~4500Hz
Voltage: 1.5V
Current: ≤4mA
Battery: AA
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