Girl group A Pink's unit group Pink BnN's audio teaser was released.

On June 25, A Pink's Youtube channel featured a clip titled "Pink BnN_ Audio Teaser."

In the 37 second-long clip, Pink BnN's logo and the preview of their music was revealed. A Pink's members singing "Baby You're My Darling" and "Know my heart, you" flows.

Internet users guessed the voices as comments: "Is it Bomi and Namju?" "Bomi and Naeun."

Meanwhile, A Pink will hold their first Japanese showcase in Tokyo on August 4 before their official Japan debut.