한 J.Heart J.Heart (제이하트) is a South Korean Male Soloist and Idol who debuted solo in 2015. He started in group N-Sonic. Read All General Information International Stage Name : J.Heart Domestic Stage Name : Pronounce 제이하트 Full Name : Kim Jaehwan Date of Birth : 1987-03-04 (age 39) Zodiac : Pisces Country of Birth : South Korea Related Artists : N-Sonic - Leader,Vocal Debut Day : 2015-11-09 (Active) Original group : N-Sonic (No longer a member) Metrics and Achievements Success(max 5 stars) : Time since last release : (2019-08-22) Time to Success : Not reached or Indie/Nugu PAKs : 0 Music Show Awards2006+ : 0 Annual Awards : 0 Streaming Weekly Score(Since 2010) : Never ranked in top 100 Billboard weekly Score(Since 2020) : Never ranked in top 200 Physical Sales (Circlechart) : 0+ Total Youtube Views : 169.403+ Images