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. Also from the back, there is a subwoofer or speaker for sound output, and there are sound modes. USB ports. Included with the monitor are the screen charger and remote. The monitor is (used). I don't have the invoice, and I expect the warranty has expired. I accept trades for an OLED monitor. Serious buyers only. The monitor is for auction.