BTOB's unit group BTOB 4U continues to prepare for their special album and released an audio snippet teasing all the tracks.

On August 20 at midnight KST, BTOB 4U dropped the audio snippet for their upcoming special album '4U: OUTSIDE.' The audio snippet revealed that the members participated in the production of the tracks in this special album.

The upcoming album contains a total of six tracks, including "Dreamer," "I want to go mad," "Traveler," "Waiting 4 U," "Show and Prove," and the title track, "Outsider."

Meanwhile, the album has been set for release on August 30. So check out the audio snippet above while staying tuned for more teasers to come!