INFINITE's much-anticipated subunit�INFINITE H have made their first performance as a duo on 'M! Countdown'!

As fans already know, the two rappers of the group,�Hoya and�Dongwoo, are�releasing their own album in the upcoming new year. INFINITE H (H stands for Hip Hop, by the way) will be kicking off their promotions in January!

Hoya and Dongwoo are also acting as the special double MCs for the night.

Check out their special performance of T-Pain's�"Look at Her Go" (feat. Chris Brown)�below!