Product Description Brand: Cyber Sonic Including 3 batteries, ear plugs, manual and a carrying case. Amplify sounds up to 40 decibels. It weighs less than 10 grams. With 6 Volume Levels which you can easily fine tune as needed. High-Definition Digital sound reproduction. It conforms to either ear. Increased sensitivity equals better hearing. More accurate sound reproduction. Delivers more distortion-free sound. Quiet Performance with less circuit noise Earpiece for one ear only.
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