Specifications of Display Type VA Monitors 99% sRGB color gamut (CIE1931) Pitch of Pixels: 0.233 x 0.233 Dimensions: 27", Aspect Ratio: 16:9, Resolution: 2560 x 1440, Color Depth: 16.7 Brightness (Type) 300 cd/m² (Min.) 250 cd/m² 3000:1 contrast ratio Angle of View 178˚(R/L) 178�^(U/D) 180 Hz Refresh Rate Time of Response: 1 ms (GtG at Faster) Both input and output HDMI Indeed, DisplayPort Indeed. Yes, headphones are covered by a one-year product warranty.