Volume Amplifier Adjustable Tone Hearing Aids Aid hearing Assistance Best Sound Amplifier
<div style="text-align: center;"><img src="//ipx.image-gmkt.com/imageproxy/?src=http%3a%2f%2fxbk.027cgb.cn%2f3tb_180509140501wja6585408.jpg&scw=-1&remake=M" q_file_log_no="120952171" onerror="this.src='https://ipx.image-gmkt.com/imageproxy/?src=http%3a%2f%2fxbk.027cgb.cn%2f3tb_180509140501wja6585408.jpg&scw=-1&remake=M'; $(this).attr('onerror','');" ></div>1. Max sound output : 110＋5dB<br />2. Sound gain : 〈30dB<br />3. Total harmonic wave distortion : ×10%<br />4. Frequency range : 300-4000Hz<br />5. Input noise : ×40dB<br />6. Voltage : DC1.5V<br />7. Current : ×4mA<br />8. Color : As pictures<br /><br />Package includes : <br />1 x K-80 Hearing Aids<br />1 x User Manual<br />1 x Case<br />2 x AG3 Button Cells<br />4 x Units of earplug of different size