Invest today on StartEngine! https://www.startengine.com/evren-technologies Evren Technologies, a clinical stage medical device company founded in December 2018, is transforming the treatment of PTSD with a user-friendly and intelligent hardware and software platform that is easy to use and personalized, addressing a major unmet need for the millions of Americans needing treatment for PTSD. Evren’s device -- the Phoenix® - will deliver transcutaneous auricular vagal nerve stimulation (taVNS) in a proprietary, closed loop, discreet, and wireless earbud design