ASUS VG278HE. Display diagonal: 685.8 mm (27 "), Response time: 2 ms, Display brightness: 300 cd/m². Headphone connectivity: 3.5 mm. Number of loudspeakers: 2 pcs, RMS rated power: 6 W. VESA mounting interfaces compatibility: 100 x 100 mm, Tilt angle: 15 - -5 °. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (typical): 65 W