eSTUFF GLB212202 keyboard USB QWERTY US International Black USB connector___Not supported Audio Built in speaker(s) No Performance Audio Built in speaker(s) No Performance Built in speaker(s) No Built in camera No Low Blue Light technology Yes Flicker free technology Yes Display Display brightness (typical) 320 cd m² Screen shape Flat Native aspect ratio 16:9 Maximum refresh rate 144 Hz HD type Full HD Aspect ratio 16:9 Viewable size Accurate typing 4 GHz Actuation force 55 g Key travel distance 3 mm Connectivity technology Wireless Keyboard key profile Low profile Keyboard keys operating life 50 million characters Keyboard number of keys 106 Numeric keypad Yes Keyboard form factor Full size (100%) Pointing device No Keyboard language US International Keyboard layout QWERTY Keyboard key switch Membrane Device interface USB Recommended usage Office Design Surface coloration Monochromatic Product colour Black Adjustable keyboard height Yes Wrist rest No Full size keyboard Yes Keyboard style Straight Backlight No Features Plug and Play Yes USB connector type USB Type A Wireless range 20 m Power Keyboard battery type AA Power source type Battery Mouse Mouse included No Weight & dimensions Weight 550 g Keyboard weight 550 g Keyboard dimensions (WxDxH) 426 x 125 x 22 mm Packaging data Package weight 700 g Package height 40 mm Package depth 130 mm Package width 440 mm Number of products included 1 pc(s) Receiver type Nano receiver Receiver included Yes Logistics data Products per master (outer) case 20 pc(s) Other features Depth 125 mm Height 22 mm Width 426 mm G220 Wireless Keyboard US International