<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> When one uses a radio headset, they have a way to make the straight to their ears. Without a headset, the quality may reduce according to the condition of the radio speaker. So, it is good to use <a href="https://www.comms-spec.com/shop/">two-way radios with headsets</a>. Also, using a radio headset may help one to recognise words more easily. The reason behind this is the audio would probably reach right into one’s ears. If someone has hearing issues or has to work in a loud environment, they may listen to the messages better with headsets.