Listing ID #3957920
Company Information
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Contact SupplierADDCOM Amplifier
Product Features
> Easy to use Headset Amplifier
> Headset/handset switch
> Transmission volume control
> Receiving volume control
> Mute switch
> Battery low indicator
> Mute “On” indicator
> Powered by either batteries or DC Adaptor
> Polarity switching to ensure compatibility with most phone systems