(!) We would not recommend using manual code addition.
Desktop:
The theme is built in a way that makes the layout look broken on desktop. Would not recommend it.
Mobile:
Use this code:
<div class="ultimate-currency" style="display:inline-block;padding-top:7px;margin-right:-15px"></div>
Place it inside the header.liquid file in line 99:
Click "Save".
Test it in your store.