Specifications of Display Type VA Monitors 99% sRGB color gamut (CIE1931) Pitch of Pixels: 0.233 x 0.233 Size 31.5 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) HDMI Input and Output Indeed, DisplayPort Indeed. Yes, headphones are out. Product Guarantee One-year warranty