Yes, EMTEC keys are bootable.

You can make your USB key bootable via a utility, see some examples below:

1. Install Windows on a PC by booting from your EMTEC USB key.
   Your EMTEC USB key is compatible with the Microsoft MediaCreationTool utility see link below
   https://support.microsoft.com/en-us/windows/create-installation-media-f…
    
2. Use your Emtec USB stick to install or run LINUX on a PC.
   You have to download the ISO file of your linux distribution (Ubuntu, fedora, mint, ....)
   Then download a utility to install your ISO on the EMTEC key.
   There are several utilities that you can find by doing a simple search on the internet.
   Example of utilities: Rufus, lili USB Creator, Ventoy (multiboot)