After releasing a slew of teaser images and videos, SM Entertainment has revealed that EXO-K and EXO-M will release their prologue single on January 30th.

EXO-K and EXO-M will release their single with Korean and Chinese versions of "What is Love", through iTunes, Melon, Dosirak, Soribada, Naver Music, and Bugs Music. The single will also be released on Chinese music sites like Baidu, Sina, and Sohu Music.

The prologue single will act as an introduction to their official full album, which will be released at a later time.

SM also plans to release an EXO performance teaser on January 27th through their YouTube channel, Facebook, Naver, Weibo, Sina, Sohu, and Youku.

Stay tuned to allkpop for updates!

Source: OSEN via Nate