Logitech

Logitech Wireless Wave Combo MK550 Keyboard and Mouse

Name: Logitech Wireless Wave Combo MK550 Keyboard and Mouse
Brand: Logitech

★★★★★4.4 (175 reviews)

An ergonomic wireless keyboard and mouse combo with a wave-shaped key layout, long-range 2.4 GHz connectivity, and 128-bit AES encryption.

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Overview

The Logitech Wireless Wave Combo MK550 pairs a full-size ergonomic keyboard with a contoured laser mouse, both connected through a single 2.4 GHz Unifying receiver. The keyboard's signature feature is its wave-shaped key frame, which arranges keys in a gentle curve that matches the natural resting position of your fingers. Rather than forcing all fingers to reach across a flat plane, each key column sits at a slightly different height, promoting a more relaxed hand posture that can reduce strain during extended work sessions. A cushioned palm rest provides additional support, and the keyboard includes a full number pad, dedicated media controls, and programmable F-keys for quick access to frequently used functions.

The included mouse features a sculpted, ambidextrous-friendly shape with soft rubber side grips and a laser sensor that tracks accurately on a wide range of surfaces, from wood desks to fabric. Security is addressed through 128-bit AES encryption on the keyboard, which encodes each keystroke before it is transmitted wirelessly — a meaningful feature for anyone working with sensitive information. The Logitech Unifying receiver is compact enough to remain in a laptop's USB port permanently, and both peripherals draw from AA batteries that Logitech rates for up to three years in the keyboard and two years in the mouse. For users who prioritize typing comfort, wireless simplicity, and long battery life over cutting-edge features, the MK550 remains a dependable, well-proven combo.

Key Features

Wave-shaped key frame: Your fingers vary in length. So with its gradual wave-shaped contour, this keyboard supports the actual, varied lengths of your fingers.

Hand-friendly laser mouse: Contoured sides and soft rubber grips keep your hand comfortable, supported, and in control. Youll enjoy smooth, precise tracking on virtually any surface.

Logitech Unifying receiver: The tiny wireless receiver stays in your laptop—theres no need to unplug it when you move around—and connects both the keyboard and mouse.

128-bit AES encryption: It helps protect your information by encrypting data transfer between the keyboard and receiver with one of the highest levels of data encryption available.

Advanced 2.4 GHz wireless connectivity: So you can work or play in more places—like your comfy couch—the long-range wireless connection virtually eliminates delays, dropouts, and interference.

Specifications

Brand

Logitech

Model

920-002807

Keyboard Design

Comfort Wave (full-size with number pad)

Mouse

Contoured laser mouse with rubber grips

Connectivity

Wireless 2.4 GHz (Logitech Unifying receiver)

Encryption

128-bit AES

Number of Keys

101

Hand Orientation

Ambidextrous

Batteries

AA (included)

Color

Black

Pros & Cons

👍 Pros

Wave-shaped key layout reduces finger and wrist fatigue compared to standard flat keyboards.
A single tiny Unifying receiver connects both the keyboard and mouse, using just one USB port.
128-bit AES encryption protects every keystroke from wireless interception.
Long-range 2.4 GHz wireless provides reliable connectivity across a room with minimal dropouts.
Contoured mouse with soft rubber grips and laser tracking works smoothly on virtually any surface.

👎 Cons

The full-size keyboard with number pad takes up significant desk space compared to compact or tenkeyless designs.
The wave-shaped key layout has a learning curve if you are accustomed to flat, standard-profile keyboards.
The combo relies on the proprietary Unifying receiver — if you lose it, you must purchase a replacement to use either device.
The mouse uses an older laser sensor rather than a modern high-precision optical sensor.
No Bluetooth option means you cannot connect to devices that lack a USB-A port without an adapter.

Frequently Asked Questions

What makes the wave-shaped keyboard design more comfortable than a standard flat keyboard?

The keys are arranged in a gradual wave contour that follows the natural, varying lengths of your fingers, so each key sits at a height that reduces finger stretching and wrist strain during extended typing sessions.

Do the keyboard and mouse use separate USB receivers?

No. Both connect through a single Logitech Unifying receiver, which is small enough to leave plugged into your laptop permanently without blocking adjacent ports.

What type of batteries does this combo use and how long do they last?

The keyboard uses two AA batteries and the mouse uses two AA batteries. Logitech rates the keyboard for up to three years of battery life and the mouse for up to two years under normal use.

Does the 128-bit AES encryption protect both the keyboard and mouse?

The 128-bit AES encryption applies to the keyboard's data transmission, protecting your keystrokes from interception. Mouse movements are not typically encrypted as they do not carry sensitive input data.

Can I use this combo with multiple computers?

The Logitech Unifying receiver pairs with one computer at a time, but you can move the receiver between machines. Logitech also sells additional Unifying receivers if you want to switch between computers more easily.