DellKM5221W Pro Wireless Keyboard and Mouse Combo, Programmable Keys and Battery Indicator Light - Black

Q: How long is battery life please?

Hi, Thanks for the message. The keyboard and mouse set comes with original Dell batteries that last long but depending on usage, I cannot tell the exact number of months or years. I'm using one with original batteries and after 7 months, still same batteries are working fine.

Product ID: 404703649

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Details

Brand
Dell
Colour
Black
Connectivity technology
RF 2.4GHz
Special feature
Wireless
Compatible devices
Laptop

🎯1600-4000 DPI adjustable mouse

📶2.4GHz RF wireless tech

🔋Battery indicator for power status

Frequently Bought Together

Dell Pro KM5221W Keyboard & Mouse

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Description

⌨️ Elevate your workspace with wireless precision and pro-level control!

QUIET CONFIDENCE - Whisper-quiet keyboard lets you focus or collaborate without distracting clicks.
CUSTOMIZABLE WORKFLOW - Programmable keys and scroll wheel shortcuts streamline your daily tasks like a pro.
NEXT DAY PEACE OF MIND - Dell Advanced Exchange ensures a replacement the very next business day under 3-year warranty.
SEAMLESS WIRELESS FREEDOM - Cut the cords with reliable 2.4GHz RF connectivity for lag-free productivity anywhere.
PRECISION AT YOUR FINGERTIPS - Adjust mouse DPI up to 4000 for pixel-perfect control across multi-display setups.

The Dell KM5221W Pro combo pairs a full-sized, whisper-quiet wireless keyboard with a high-precision mouse featuring adjustable DPI up to 4000. Designed for both left and right-handed users, it offers programmable keys and a battery indicator light, all backed by Dell’s 3-year Advanced Exchange warranty for next-business-day replacement.

Specifications

Brand	Dell
Product Dimensions	3.3 x 12.19 x 43.18 cm; 399.16 g
Batteries	2 AAA batteries required. (included)
Item model number	KM5221W
Manufacturer	Dell
Series	Pro
Colour	Black
Power Source	Battery Powered
Hardware Platform	PC
Operating System	Microsoft Windows 7, Windows 8.1, Windows 10, Windows 11, Apple MacOS, Android, Google Chrome OS, Red Hat Enterprise Linux 8.0, Ubuntu 18.04
Are Batteries Included	Yes
Item Weight	399 g
Guaranteed software updates until	unknown

Have a Question? See What Others Asked

Is it US layout?

How long is battery life please?

Reviews

D**S

Issues with Dell wireless keyboard and mice.

Keep clear from this model.I had nothing but trouble with the mice.Keyboard seems OK.Worked OK to begin with then files I was working on kept on being asked to be deleted and text was randomly deleting itself. Googled it and apparently it is a common problem with their wireless keyboards and mice. People with similar issues had to revert back to wired connections or they bought logitech.

17.02.2025

K**

Not really compatible with Macbooks

I bought this to use with a Macbook and monitor. I probably should have bought an Apple product. The keys don't match the Mac keyboard which is really frustrating as I have lots of shortcuts set up for the 3d modeling tool I use.I was hoping I could use the Mac's built-in Bluetooth to connect it but no, I had to use the USB dongle provided. Of course, new Macs don't have old USB ports so I have to use an adaptor.The keyboard also feels very 'clunky' to use - don't know how else to describe it. I've never made so many typos.The mouse is super lightweight and feels flimsy.This set might be good for occasional use but not day-long intense work.

2.05.2023

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