Punto d'origine
Guangdong, China
Product name
Cyber Sonic ear sound amplifier hearing aid hear aids
Color
nude color as the picture show
Max saturation volume output
132+/-4db
Battery Voltage
DC 1.5V(The A76 button battery
Equivalent input noise level
<30db
Frequancy range
300-4000HZ
Directivity
onmi-directional