<font color='black' size='2' face='Tahoma, Arial, Helvetica, sans-serif'>Take a look at this instead of all the hearing assist stuff:
<div><br>
</div>
<div>https://www.thestage.co.uk/news/2017/national-theatre-launches-transformative-captioning-glasses-deaf-audiences/?utm_source=newsletter1&utm_medium=email&utm_campaign=newsletter1<br>
<br>
<div style="clear:both">Marty.<br>
The usual Manager of Mirth (ret.)<br>
</div>
</div>
</font>