Display Panel Model VA27DQSB Dimensions (in inches): 27 16:9 is the aspect ratio. Display Surface: Non-Glare; Display Viewing Area (H x V): 597.88 x 336.31 mm Type of Backlight: LED Panel Type: IPS Pixel Pitch: 0.311mm; Viewing Angle (CR≧10, H/V): 178°/178° Dimensions: 1920 x 1080 Type-specific brightness: 250cd/⎡ 1000:1 is the contrast ratio (type). 16.7M display colors Time of Response: 5 ms (GTG) Maximum Refresh Rate: 75 Hz Yes, flicker-free Certainly, video feature trace-free technology Amazing Technology: Indeed Selection of Color Temperature: Yes (four modes) GamePlus: In agreement QuickFit: In agreement HDCP: In agreement Indeed, VRR technology (adaptive-Sync) Yes, low blue light Yes, eye care plus technology Speaker Audio Feature: Yes (2Wx2) Ports for I/O USB Hub: 2x USB DisplayPort 1.2 x 1 HDMI (v1.4) x 1 VGA 2.0 Type-A An earbud Jack: In agreement Computer Yes, audio input The frequency of the signal The frequency of digital signals