F-883 Best Sound Amplifier Adjustable Tone Hearing Aids Aid

Features:

• 100% brand new sound amplifier

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

• Adjust volume to the minimum before wearing

• Increase volume gradually to avoid sudden increase in sound

• Powered by 2 x AG5 button cell battery (included)

• Size (without earplug): 2.1 x 1.6 cm (L X W)

• Color: as pictured

Technical Specifications:

• Max Saturated Sound Pressure: 110dB+5dB

• Sound gain: ≥ 30db

• Harmonic Wave Distortion:≤ 10%

• Frequency response Range: 300--- 4000 Hz

• Input Noise: ≤ 40 dB

• Power Voltage :1.5 V

• Working Current : ≤4mA

• Battery Type: AG13 button cell battery (included)

Package included:

• 1 x hearing aid amplifier

• 4 x earplug (different size)

• 4 x AG5 button cell battery

• 1 x manual

• 1 x case