Instructions:

Height: Mid (open mid)
Backness: central
Rounded: unrounded

Occurrence:
Cherokee, English (Received Pronunciation, Norfolk, Great Lakes region, Ohio, Most of Texas, Northern Welsh, Scottish), German (Chemnitz dialect), Paicî, Romanian (Standard, Transylvanian dialects), Vietnamese (Southern).
(Source: https://en.wikipedia.org/wiki/Open-mid_central_unrounded_vowel#Occurrence)