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White wireless keyboard and mouse set with volume and mute keys

DELL

DELL KM5221W-WH-US Wireless Keyboard & Mouse White 4000 dpi

SKU CH-9T0F-4WA3N MPN KM5221W-WH-US

A wireless keyboard and mouse set in white with a 4000 dpi optical sensor and volume controls

  • Product nameDell Pro KM5221 W Keyboard & Mouse
  • Keyboard connectionUSB
  • Keyboard colorWhite
  • Mouse connectionUSB
  • Mouse details4000 dpi
  • Product dimensions17 in × 4.8 in × 1.3 in
  • Wireless 2.40 GHz connection keeps desk clutter-free
  • 4000 dpi optical mouse delivers precise cursor control
  • Dedicated volume and mute keys adjust audio instantly
  • White keyboard and mouse create a clean, unified look
  • Compact 17" x 4.8" x 1.30" keyboard fits tight workspaces

White wireless keyboard and mouse combo

The Dell Pro KM5221W-WH-US pairs a full-size white keyboard with a matching wireless mouse. Both connect via a single 2.40 GHz USB receiver for a clutter-free desk. The set suits office workers and home users who want a tidy, reliable input solution. Volume and mute hot keys provide quick media control without software.

4000 dpi optical mouse and AA power

The mouse delivers 4000 dpi tracking for precise cursor movement across monitors and detailed work. Keyboard and mouse each run on AA batteries, avoiding cables and charging downtime. The 17 by 4.8 by 1.30 inch keyboard layout includes a numeric keypad for spreadsheet tasks. Heavy gaming or specialised macro needs are not addressed by this bundle.

Upgrade from basic wired sets

This combo replaces a standard wired keyboard and mouse when wireless freedom and a clean white aesthetic are priorities. The jump is worth it for users who value a unified receiver and dedicated media keys. Buyers who need programmable keys, rechargeable batteries or adjustable DPI steps should look elsewhere. First listed by the manufacturer in 2024.

How it compares

Measured against everything we stock in Wireless & Wired Keyboards, at today’s prices. Recalculated every night.

Price $40.99
Cheaper than about 60% of the 603 comparable items (median $48.99).

Specifications

Product
Brand nameDELL
Model nameKM5221 W-WH-US
Part numberKM5221 W-WH-US
Product nameDell Pro KM5221 W Keyboard & Mouse
Keyboard colorWhite
Product typeWireless
Connectivity
Keyboard connectionUSB
Mouse connectionUSB
Size & build
Product dimensions17 in × 4.8 in × 1.3 in
Shipping weight0.91 kg
Package size457 × 152 × 76 mm

Questions about this item

Will the 2.40 GHz wireless receiver work with a desktop that only has USB 2.0 ports?

The keyboard and mouse connect through a USB receiver that is compatible with standard USB ports, including USB 2.0.

How can I confirm the mouse is operating at the 4000 dpi setting after setup?

Cursor speed will increase noticeably; Dell Peripheral Manager software can display the active DPI level if installed.

Does the KM5221W-WH-US package include the AA batteries or must they be purchased separately?

The set ships with AA batteries pre-installed in both the keyboard and mouse so it works immediately.

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