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• Amplifies sound to aid in hearing.
• Adjustable volume control with a Max sound output of I30 +- 5dB.
• Sound Gain : 50dB Total Harmonic Wave distortion
• Less than 4% Frequency range = 100 – 6000Hz Input Noise: less than 25dB
• Voltage: DC 1.5V / Current: less than 5mA
• Battery size: AG13 All products are subject to availability.