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Best Sound Amplifier Adjustable Tone Hearing Aids Aid

Features:

• 100% brand new sound amplifier behind the ear

• Super mini size and light weight， not easily to be seen

• Adjust volume to the minimum before wearing

• Choose an earplug of slightly bigger size to avoid whistler

• Increase volume gradually to avoid sudden increase in sound

• Color: as pictured

Technical Specifications:

• Max Saturated Sound Pressure: 130dB+5dB

• Sound gain: ≥ 50db

• Harmonic Wave Distortion:≤ 5%

• Frequency response Range: 300--- 4000 Hz

• Input Noise: ≤ 30 dB

• Power Voltage :1.5 V

• Working Current : ≤4mA

• Battery Type: AG13 button cell battery (not include)

Package included:

• 1 x hearing aid amplifier

• 2 x AG13 button cell battery

• 2 x ear cap

• 1 x manual