AXON F-22 Hearing Aid F22 Personal Sound Amplifier, Pocket Sound Enhancer for Adults and Seniors Pocket Model Hearing Aid(Blue)
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F-22 Hearing Aid Earplug Convenient Sound Voice Amplifier Volume Adjustable Features: CE Approval, Volume control, ON/OFF switch, Pocket Hearing aid, Max Sound Output: 130±5 dB, Max Sound Gain: 50dB, Harmonic Wave Distortion: ?5%, Frequency Range: 300~4000 Hz, Input Noise: ?30 dB, Battery: 1 x AA battery, Working Voltage: dc1.5V, Working Current: ?4mA, Color: As the picture shows.
