Asus 23 ENERGY STAR LED Backlight Full HD LCD Monitor Model C423AQ Recommended Resolution: 1080 x 1920 Display Colors: 16.7 Million Built-in Speakers: Yes Aspect Ratio: 16:9 Maximum Resolution: 1920 x 1080 Display Type: Full HD 3D Features: In-plane Switching panel with wide viewing angles and LED backlight for quality visuals Extensive connectivity with DisplayPort, DVI-D, D-sub, Audio in, Earphone jack plus USB 2.0 ports for the most flexibility Advanced eye care feature with Low Blue Light & Flicker Free Technology