Dell KM5221W Pro Wireless Keyboard and Mouse Set for Windows, 2.4GHz Wireless

Productivity At Your Fingertips

Enhance your all-day productivity with this RF 2.4GHz wireless keyboard and mouse combo. With 12 programmable keys and 1 programmable scroll wheel click, you can gain quick access to your frequently used applications, folders and functions. The full-sized wireless keyboard comes with a dedicated numeric pad, function keys, and programmed pre-sets that can enhance your efficiency.

Easy Management

Easily navigate across monitors of varying resolutions at home or in the office. Dell Peripheral Manager (DPM) software enables you to manage your input devices and adjust to your preferred preset DPIs at 1000, 1600, 2400, or 4000. With DPM, you can customize shortcut keys and buttons, pair devices, adjust DPI, check battery and connectivity status, and update to the latest firmware.

Work In Comfort

Work with one of the quietest wireless keyboards whether on a conference call or in proximity with others. Symmetrically designed, the wireless mouse is great for both left and right-handed users. The tilt legs offer two adjustable angles for the keyboard, giving you the flexibility to choose your preferred typing position.

Durable And Secure

The Dell Pro Wireless Keyboard and Mouse is built to last with one of the industry's leading battery lives at up to 36 months. Rest assured that this keyboard and mouse combo has been rigorously tested to ensure seamless connection to your Dell PC. The keyboard offers 128-bit AES (Advanced Encryption Standard) encryption protecting your data transmission across your PCs and devices, providing you with a secure connection while typing.

Keyboard

Number of Hotkeys 3
Keyboard Technology Wireless
Keyboard Frequency Band 2.4GHz

Mouse

Mouse Type Wireless
Mouse Frequency Band 2.4GHz

Interfaces/Ports

Interface 1 x USB

System Requirements

Apple MacOS, Android, Google Chrome OS, Microsoft Windows 7 / 8.1 / 10 / 11, Red Hat Enterprise Linux 8.0, Ubuntu 18.04

Electrical

Batteries Included Yes
Battery 2 x AAA
Mouse Battery 1 x AA

Warranty

Warranty 3-year limited hardware warranty

Contents

Mouse
USB receiver
2 AAA (keyboard)
1 AA (mouse) batteries
User documentation
Colour Black

Fast UK Shipping

We offer quick order processing within 1–2 working days across the UK. Order before 3:00 PM GMT/BST on weekdays for same-day processing.

Once the order is processed, the following options indicate respective delivery times.

Delivery Options:

• Basic: Free | 2–5 business days
• Standard: Free over £100 / £4.99 under £100 | 2–3 business days
• Express: £4.99 | 1–2 business days
• Premium Next-Day: £7.99 | Next business day.

Note: Delivery times are estimated and may vary due to courier delays or weather.

Hassle-Free Returns

Changed your mind? You can return unused items in original packaging within 14 days of delivery.

To request a return, email contact@lazymart.co.uk. We’ll provide instructions on how to proceed with a return. Refunds are processed within 5 business days after inspection.

Damaged or Incorrect Orders

If your item arrives damaged or incorrect, contact us within 24 hours with photos for a quick resolution.

Shipping & Returns Policies

For more details, view our Shipping Policy and Return Policy.

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