Powertone Sound Amplifier Adjustable Tone Hearing Aid F-138

This Voice Sound Amplifier helps people with hearing impaired problem to hear sound and voice as normal people. A hearing impairment or hearing loss is a full or partial decrease in the ability to detect or understand sounds. Caused by a wide range of biological and environmental factors, loss of hearing happen to any organism that perceives sound.

Features:

• Lightweight, easy and comfortable
• Satisfy the needs of the hard of hearing
• Wear on your ear directly, hard to be seen, especially with hair to cover“1-4” volume step, convenient for you to use
• When watch films, have meeting/classes, it helps you to hear clearly
• While in forest, if you want to hear very slight sound, it will be a good choice
• Powered by AG13 battery (Included)
• Max sound output: 130±5dB
• Sound gain: ≥50dB
• Total harmonic wave distortion: ≤5%
• Frequency range: 300-4000Hz
• Input noise: ≤30dBVoltage: 1.5V
• Current: ≤4mA
• Dimension: 52 x 15 x 9mm
• Color: Beige 

How to use:

• Adjust volume to the minimum before wearing
• Increase volume gradually to avoid sudden increase in sound
• Choose an earplug of slightly bigger size to avoid whistler 

Package Content :

• 1 x Hearing Aid 
• 1 x Button Cell 
• 2 x Earplugs
• 1 x Manual

(Note : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time)