DELL KM5221W keyboard Mouse included Office RF Wireless US English Black

The DELL KM5221W Wireless Keyboard and Mouse Full-size Black is a full-size (100%) keyboard and a compact ergonomic mouse paired in a single RF wireless set for office use. The kit uses RF wireless connectivity to maintain a clutter-free workspace and operates without cables or visible connectors. The keyboard is laid out in US English and offers a standard key arrangement suitable for data entry and general office tasks, while the included black mouse is shaped to support prolonged use.

Advantages

The RF wireless connection provides stable, low-latency input with a simple plug-and-play approach. The full-size keyboard includes a numeric keypad and conventional key spacing to reduce learning curve and speed up typing. The bundled mouse complements the keyboard with an ergonomic shape designed for comfortable handling during extended work sessions. The unified black finish is visually neutral and integrates with typical office setups.

Suitable for

• Office workstations and home offices requiring a full-size keyboard with numeric keypad
• Data entry, spreadsheet work and administrative tasks
• General productivity tasks where a compact wireless mouse and cable-free setup are preferred
• Shared work areas and hot-desk environments where a neutral black design is desirable

Key specifications

• Device interface: RF wireless for plug-and-play connectivity
• Keyboard form factor: Full-size (100%) with numeric keypad
• Keyboard language/layout: US English
• Mouse included: Yes — ergonomic compact mouse included in the set
• Product colour: Black

How to use

Unpack the keyboard and mouse, insert the required batteries following the polarity markings, and connect the RF receiver to an available USB port on your computer. Wait for the operating system to detect the devices; typical plug-and-play drivers will install automatically. Position the keyboard and mouse on a flat surface; place the mouse to the preferred side and adjust hand placement for comfort. Use the numeric keypad and full-size layout for typing-intensive tasks.

Recommendations

For best performance, keep the RF receiver within direct line of sight of the keyboard and mouse and avoid placing metal objects between devices and the receiver. Replace batteries when input lag or reduced responsiveness is observed. Clean the keyboard and mouse surfaces with a dry or slightly damp lint-free cloth; avoid liquid ingress. Suitable for standard office environments and daily productivity tasks.