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Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0 — main product image
Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0
Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0
Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0
Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0
Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0
Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0
Dell

Dell KM7120W Wireless Keyboard and Mouse Combo Bluetooth 5.0

★★★★★4.4 (430 reviews)
Bluetooth 5.02.350 lbs

Bluetooth 5.0 multi-device wireless that lets one keyboard and mouse run your entire cross-platform setup without a dongle in sight.

$59.95*$79.99Save 25%
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Dell KM7120W solves a specific modern desk problem: you have more than one machine and you're tired of swapping USB receivers or pairing peripherals one at a time. Bluetooth 5.0 handles multi-device pairing natively, and the combo's OS support list — Windows 7 through 11, macOS, Chrome OS, Ubuntu, RHEL, Android — is unusually comprehensive for a single peripheral package. The practical implication is that this keyboard and mouse can serve as the shared input layer across a heterogeneous device stack without workarounds.

Build-wise, Dell has prioritized reliability over premium feel — this is a productivity tool, not a lifestyle product. The programmable buttons add meaningful efficiency for users who run repetitive workflows, though the full configuration depth depends on Dell's peripheral software, which is most capable on Windows. The AA battery setup trades the convenience of USB-C charging for the simplicity of no-cable-needed replacements. For a corporate or home-office user who wants a clean, wire-free desk that works across every device they own, the KM7120W hits its brief squarely.

Key Features

UPC: 884116366959

Weight: 2.350 lbs

Programmable buttons

Specifications

Connectivity
Bluetooth 5.0
Power Source
Battery (3 AA batteries included)
Programmable Buttons
Yes
Compatible OS
Windows 7/8/10/11, macOS, Chrome OS, Ubuntu 18.4, RHEL 8, Android
Compatible Devices
Notebook, Desktop Computer
Weight
2.350 lbs (combo)
Model
KM7120W
Brand
Dell

Pros & Cons

👍 Pros

  • Bluetooth 5.0 eliminates USB dongle dependency, leaving ports free on thin laptops with limited I/O.
  • Broad OS compatibility — Windows, macOS, Chrome OS, Linux, and Android — makes this genuinely cross-platform without driver headaches.
  • Programmable buttons allow workflow customization for repetitive tasks in productivity or creative applications.
  • Multi-device pairing reduces desk clutter for users managing more than one machine.
  • Included AA batteries mean it's ready to use out of the box with no charging wait.

👎 Cons

  • Full programmable button functionality is likely limited to Dell's Windows-focused peripheral software, reducing utility on macOS and Linux.
  • AA battery power means ongoing consumable cost and no USB-C charging convenience compared to rechargeable competitors.
  • At 2.35 lbs combined, the combo is not notably lightweight — a consideration if portability is a priority.
  • No RF/USB receiver option means it won't work on devices with Bluetooth disabled or locked (some managed enterprise machines).

Frequently Asked Questions

The KM7120W supports multi-device pairing via Bluetooth 5.0, allowing you to pair with multiple devices and switch between them — ideal for users running a laptop alongside a desktop or tablet. Switching is handled through a dedicated button on the keyboard.
It connects via Bluetooth 5.0 only — no USB dongle required. This keeps your USB ports free and works with any Bluetooth-enabled device including laptops, desktops, Macs, Android tablets, and Chromebooks.
Dell lists compatibility with Windows 7, 8, 10, and 11; macOS; Chrome OS; Ubuntu 18.4; Red Hat Enterprise Linux 8; and Android. It covers most mainstream platforms without additional driver installs.
The combo runs on AA batteries — three included in the box. Battery-powered wireless peripherals at this class typically run for several months of normal office use before replacement, though heavy daily use will shorten that cycle.
Programmable button configuration typically requires Dell's peripheral software, which is primarily Windows-optimized. On macOS and Linux, the buttons will function at a basic level but full reprogramming may be limited.

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