Instructions:

Height: high (close)
Backness: central
Rounded: rounded

Occurrence:
Armenian (Some Eastern dialects), Berber (Ayt Seghrouchen), English (Australian, Canadian, Central Eastern American, Cockney, Estuary, Modern RP speakers, New Zealand, Norfolk, Scottish, Scouse, some speakers of Geordie, South African, Southern American, Ulster), German (Chemnitz dialect), Irish (Munster, Ulster), Norwegian, Russian, Swedish.
(Source: https://en.wikipedia.org/wiki/Close_central_rounded_vowel#Occurrence)