Kim Jae Han (born Kim Jae Hwan), better known mononymously as Jae Han, is a member of Spire Entertainment's boy group Omega X which debuted on June 30, 2021 and a former member of WYNN Entertainment's boy group SPECTRUM. He is also former member of the duo OneVoices, who disbanded in 2016. In 2017, he participated in Produce 101 Season 2 whilst under MMO Entertainment and was eliminated in episode 4, at rank 81. In early 2018, he left MMO Entertainment and signed with WYNN Entertainment.