Designed to help the hearing-impaired to raise the audition, hear voice and do barrier-free communication with others, our Mini In-ear Hearing Aid Sound Amplifier K83 will surely brighten the life of those who have poor hearing. With full digital circuitry for natural, clear sound and great listening comfort, our hearing aid could improve sensitivity and reduce unwanted background noise. It also offers adjustable volume control and clear sound. Compact and lightweight, the hearing aid will not add any burden which results in some discomfort to ears. Wise try!<!--Features --><p>FEATURES</p><UL><LI>Full digital circuitry for natural, clear sound and great listening comfort</LI><LI>Low power consumption for long time use</LI><LI>Adjustable volume control and clear sound</LI><LI>Compact and lightweight, add little burden to ears</LI><LI>Reduce unwanted background noise</LI><LI>Super mini, invisible and comfortable to wear</LI><LI><IMG alt="" width=600 height=600 src="http://www.image-tmart.com/info_images/10013151-9.jpg"></LI><LI><IMG alt="" width=600 height=600 src="http://www.image-tmart.com/info_images/10013151-10.jpg"></LI><LI><IMG alt="" width=600 height=600 src="http://www.image-tmart.com/info_images/10013151-3.jpg"></LI><LI><IMG alt="" width=600 height=600 src="http://www.image-tmart.com/info_images/10013151-2.jpg"></LI><LI><IMG alt="" width=600 height=600 src="http://www.image-tmart.com/info_images/10013151-5.jpg"><IMG alt="" width=600 height=600 src="http://www.image-tmart.com/info_images/10013151-4.jpg"></LI></UL><!--Specifications --><p>Specifications</p><TABLE class=ke-zeroborder border=0 cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD width=131>Material</TD><TD width=365>Plastic</TD></TR><TR><TD width=131>Dimensions</TD><TD width=365>(0.9 x 0.59 x 0.79) " / (2.3 x 1.5 x 2.0) cm (L x W x H)</TD></TR><TR><TD width=131>Color</TD><TD width=365>Brown</TD></TR><TR><TD width=131>Weight</TD><TD width=365>0.14 oz / 4.0 g</TD></TR><TR><TD width=131>Model</TD><TD width=365>K83</TD></TR><TR><TD width=131>Max Sound Output</TD><TD width=365>110 ÷ 5 dB</TD></TR><TR><TD width=131>Sound Gain</TD><TD width=365>◎30dB</TD></TR><TR><TD width=131>Total Harmonic Wave Distortion</TD><TD width=365>● 10%</TD></TR><TR><TD width=131>Frequency Range</TD><TD width=365>300Hz ~4000 Hz</TD></TR><TR><TD width=131>Input Noise</TD><TD width=365>● 40 dB</TD></TR><TR><TD width=131>Voltage</TD><TD width=365>d.c. 1.5 V</TD></TR><TR><TD width=131>Current</TD><TD width=365>● 4 mA</TD></TR></TBODY></TABLE><!--Package Includes --><p>Package Includes</p><UL><LI>1 x Hearing Aids</LI><LI>3 x Earplugs(Different Sizes)</LI><LI>4 x AG3 Electronics</LI><LI>1 x Operation Manual</LI><LI>1 x Box</LI></UL><!--Extra Info --><!--produts_compatibility -->