BENQ EX2710U Monitor Key Specifications: 4K IPS 27 INCH 144HZ HDRi HDMI DISPLAY PORT Remote for screen control. Headphone jack. It has a backlight that can be changed and controlled. From the back, there is also a subwoofer/speaker for sound output, and there are sound modes. USB ports. The monitor is (used). I accept trades for an OLED monitor. Serious buyers only. The monitor is for auction.