Stage name: J.Heart
Full Name: Kwon Jae Hwan (권재환)
Date of Birth: March 4, 1987
Label: C2K entertainment
Group: N-SONIC
Position: Leader & Vocalist 
Height: 177 cm
Weight: 63 kg
Blood Type: A 
Education: Yongin University (Dance)
Skills: Sports, Rap, Dancing, Singing, Beatboxing & Piano