To accommodate the additional circuitry and higher-capability battery, the XROS Professional is just a little thicker than other XROS devices. On this tutorial, we’ll attempt to reply Those people concerns and make it easier to using your order. Here’s a whole overview of each device in the Vaporesso XROS sequence. https://andersonlbqsy.hyperionwiki.com/1079500/iget_mega_an_overview