Date:چهارشنبه 5 آبان 1395-02:38 ب.ظ
B1A4 is a South Korean idol group under the management of WM Entertainment. The group debuted in April 23, 2011 with the single "O.K" after their first introduction to the public through a webtoon. They have released two studio albums, five EPs and various singles in South Korea.
Record label: B1A4
Years active: 2011–present
Facebook: B1A4 Fan Page