This structure is a single enantiomer as shown.

(2R,2R)-2,3-dibromobutane

If the structure is meant to represent a racemate, i.e, equal amounts of the 2R,3R enantiomer and its mirror image 2S,3S enantiomer, then it can be called

d,l-2,3-dibromobutane

Click here for help with R and S configuration.