DELL P Series P3223QE computer monitor 80 cm (31.5") 3840 x 2160 pixels 4K Ultra HD LCD Black Wearing style___In ear. Neck band 9% reduction of Staphylococcus aureus 9% reduction of Staphylococcus aureus (Staph Infection) and Escherichia coli (E MacBook Air comes in four gorgeous finishes — each with its own matching MagSafe charging cable 0 HDMI ports quantity 1 HDMI Yes USB Power Delivery up to 90 W USB Power Delivery Yes USB Type A downstream ports quantity 4 Number of USB Type C upstream ports quantity 1 Number of upstream ports 1 USB upstream port type USB Type C Network Wi Fi No Ergonomics Tilt adjustment Yes LED indicators Yes Plug and Play Yes On Screen Display (OSD) Yes Tilt angle range 5 21° Swivel angle range 30 30° Swivelling Yes Pivot angle 90 90° Pivot Yes Height adjustment 15 cm Height adjustment Yes Cable lock slot type Kensington Cable lock slot Yes Panel mounting interface 100 x 100 mm VESA mounting Yes Power Energy efficiency scale A to G Power supply type Internal Input current 2 Experience pure productivity on a 31