A member of ASTRO under Fantagio Entertainment, Sanha, whose real name is Yoon San Ha, is the vocalist and maknae of the group.

He is 21 years old. His horoscope sign is Aries and his date of birth falls on 21 March 2000.

Sanha is the 2^nd tallest Aries K-pop idol. His height is 184 cm and he weighs 60 kg. His blood type is AB.

Sanha is from South Korea.

 Compare Sanha with Kino from Pentagon.

 Compare Sanha with Cha Eunwoo from ASTRO.