Pro HD ll Ear Buds Used For Auto Racing. HD Pro Foam Buds are built with the high quality transducer from Knowles used in hearing aids. Wired for Mono use. How To Use: Roll the foam tip between your thumb and forefinger up tight and insert into ear canal. As the foam expands it will hold into place and offer great incoming voice quality as well as hearing protection.
Trustpilot
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3 weeks ago
