| Recommended usage | Office |
| Device interface | RF Wireless |
| Keyboard layout | QWERTY |
| Keyboard language | US International |
| Pointing device | No |
| Keyboard form factor | Full-size (100%) |
| Numeric keypad | Yes |
| Hot keys | Yes |
| Number of hot keys | 12 |
| Programmable hot keys | Yes |
| Frequency band | 2.4 GHz |
| Backlight | No |
| Product colour | Black |
| Keyboard style | Straight |
| Wrist rest | No |
| LED indicators | Battery |
| Wireless range | 10 m |
| Power source type | Battery |
| Keyboard battery type | AAA |
| Number of batteries (keyboard) | 2 |
| Service life of battery | 36 month(s) |
| Mouse included | Yes |
| Form factor | Ambidextrous |
| Movement detection technology | Optical |
| Movement resolution | 1600 DPI |
| Buttons quantity | 3 |
| Buttons type | Pressed buttons |
| Scroll | Yes |
| Scroll type | Wheel |
| Scrolling directions | Vertical |
| Mouse battery type | AA |
| Number of batteries (mouse) | 1 |
| Windows operating systems supported | Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64 |
| Mac operating systems supported | Yes |
| Linux operating systems supported | Yes |
| Mobile operating systems supported | Android |
| Other operating systems supported | ChromeOS, DOS |
| Operating temperature (T-T) | -10 - 50 °C |
| Storage temperature (T-T) | -40 - 65 °C |
| Keyboard dimensions (WxDxH) | 433 x 123 x 34 mm |
| Keyboard weight | 400 g |
| Mouse dimensions (WxDxH) | 115.51 x 61.96 x 38.14 mm |
| Mouse weight | 91.8 g |
| Batteries included | Yes |
| Package width | 455 mm |
| Package depth | 138 mm |
| Package height | 72 mm |
| Package weight | 713 g |
| Package type | Box |
| Harmonized System (HS) code | 84716060 |
| Description |
| DELL KM5221W. Keyboard form factor: Full-size (100%). Keyboard style: Straight. Device interface: RF Wireless, Keyboard layout: QWERTY, Recommended usage: Office. Product colour: Black. Mouse included |
