AOC E1 22E1D Computer Monitor 54.6 cm (21.5") 1920 x 1080 pixels Full HD LED Black 4 It also has pass through It also has pass through ports for the line in and headphone jack inputs Magnetic earbuds make listening that much easier by automatically playing music when they’re in your ears and pausing when they’re attached around your neck¹ 5 W Energy efficiency scale A to G Energy efficiency class (SDR) F Energy consumption (SDR) per 1000 hours 20 kWh Design Market positioning Business Heavy metals free Hg (mercury) Feet colour Black Certification ISO 9241 307 Product colour Black Front bezel colour Black Detachable stand Yes Mean time between failures (MTBF) 50000 h Exterior finish type Textured Bezel thickness type Normal Ports & interfaces Headphone out Yes DVI port Yes VGA (D Sub) ports quantity 1 HDMI ports quantity 1 Audio input Yes Headphone outputs 1 Headphone connectivity 3 8 m AC input voltage 100 240 V AC input frequency 50 60 Hz External power adapter No Power consumption (standby) 0