Wikipedia
V.O.S (band)
V.O.S ( Hangul: 브이오에스, pronounced bee oh ess) is a South Korean R&B boy group formed in 2004.음악 산업 백서 Music Industry Baekso 2005- Page 279
딘뱀 SM 엔터테인먼트 SM 엔터테인먼트 ...Star Empire 브이 오에스 ( V.O.S ) " V.O.S. stands for Voice of Soul. The group composed of three members : Choi Hyun Joon, Kim Kyung Rok and Park Ji Hun.
Park Ji Hun depatures from the group in 2010. On December 7, 2015 their new agency, Happy Face Entertainment announced that V.O.S would be making a comeback in January 2016 and also confirmed that V.O.S returned as a trio after their former member Park Ji Hun would re-join the group for the first time since withdrawing in 2010.
V.O.S.'s fanclub name is "Soulmate" and the fanbase colour is Pearl Burgundy.