We review recent results on the charged pion - charged hadron correlation in p+p and d + Au collisions as measured by the PHENIX Collaboration. Properties of di-jet system, such as the jet shape, associated hadron yield per trigger pion, and the underlying event are extracted statistically from the π^±-h^± correlation function in Δϕ and Δη. For jet triggered with high p_T pions (p_T>5 GeV/c), no apparent differences in the jet properties are seen between p+p and d + Au.