The AOC 57 series I2757FM is a monitor with a Missing and a Built-in speaker that offers a contrast ratio of . The model's 27-inch LCD display supports a resolution of up to 1920 x 1080 pixels and an aspect ratio that equals 0.672916666666667. Furthermore, the brightness level can be set to 250 cd/m² for displaying vivid images. Some of the implemented features include: Built-in Speakers. This monitor connects to the video source device via its embedded HDMI Standard,VGA/SVGA D-Sub digital video input connector.