Dell Pro Keyboard and Mouse - KM5221W (White)
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Dell KM5221W Pro Wireless Keyboard and Mouse Combo
Combining a discreetly powerful keyboard with an expertly designed mouse, this combo enhances your productivity. Powered by one of the industry's leading battery lives of up to 36 months, the combo is built to last.
Technical Specifications
Overview:
- Device Type: Keyboard and mouse set
- Connection Type: RF (2.4 GHz Wireless)
- Wireless Receiver: USB wireless receiver
- Keyboard Dimensions: 17 in × 4.8 in × 1.3 in
- Keyboard Weight: 14.1 oz
- Mouse Dimensions: 2.4 in × 4.5 in × 1.5 in
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Mouse Weight: 2.3 oz
Battery:
- Keyboard Battery Type: 2 × AAA
- Mouse Battery Type: 1 × AA
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Included Batteries: 2 × AAA, 1 × AA
Input Devices:
- Keyboard Type: Wireless
- Hot Keys Function: 12 programmable keys (F1–F12)
- Layout: US English
- Keyboard Technology: Plunger
- Mouse Type: Wireless
- Buttons: 3 (1 programmable)
- Movement Detection: Optical
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DPI Settings: Adjustable – 1000 / 1600 (default) / 2400 / 4000
Physical Appearance:
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Color: White
Compatibility:
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Operating Systems:
- Windows 7 / 8.1 / 10 / 11
- macOS
- Android
- Chrome OS
- Red Hat Enterprise Linux 8.0
- Ubuntu 18.04
Key Features:
- AES-128 encryption for keyboard
- Dell Peripheral Manager software (Windows only)

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

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. Dell Peripheral Manager is only compatible with Windows 10 or later.

Productivity at Your Fingertips
Enhance your all-day productivity with this RF 2.4 GHz 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.
Product Features
1 Programmable Keys
2 Dedicated Keys
3 On/off Switch
4 CAPS Lock 5 Num Lock
6 Battery Life Indicator
7 Scroll wheel
8 Battery Indicator
What's In the Box
Keyboard and mouse
USB Receiver
Batteries (Keyboard 2 x AAA / Mouse 1 x AA)
Documentation