This mouse is adequate for the keyboard it is with and for normal computer operations , but I for my part do graphics and it is too small for my hand. It is certainly a good mouse for someone with a smaller hand. My wife uses it without a problem

Is the USB receiver recognized when accessing the computers boot functions like entering the BIOS or using F8 for entering into Safe Mode?

As far as I know. I have not tries that with this specific product.

What are the dimensions of the Logitech MK540 keyboard and mouse?

The keyboard dimensions are 0.94 x 18.00 x 7.62 inches, and the mouse dimensions are 1.54 x 2.43 x 4.40 inches.

How long does the battery last for the Logitech MK540 keyboard and mouse?

The keyboard lasts for 36 months on 2 AA batteries, while the mouse stays powered for 18 months on 1 AA battery.

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Logitech MK540 Wireless Keyboard Mouse Combo - USB Wireless RF Keyboard - Black - USB Wireless RF Mouse - Optical - 1000 dpi - 3 Button - Scroll Wheel - QWERTY - Black

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Connect your keyboard and mouse with one tiny Logitech Unifying USB receiver - You'll get a reliable and encrypted wireless connection up to 10 meters away with virtually no delays or dropouts
The keys have been optimized for improved accuracy and reduced noise - The palm rest and adjustable tilt legs keep you comfortable for long stretches at the desk
The wireless mouse's contoured shape and soft rubber side grips are designed to fit comfortably in either your right or left palm and enhanced tracking and precise cursor control keep you in command
Convenient and essential hot keys give you direct access to media, calculator and battery check functions - Preset Fn keys can even be personalized in Logitech Options to meet your specific needs
Your keyboard won't require new batteries for 36 months and your mouse stays powered for 18 months - The keyboard is spill resistant to 60ml of liquid

Overview

Specs

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MK540 ADVANCED Wireless Keyboard and Mouse Combo. MK540 Advanced is an instantly familiar wireless keyboard and mouse combo built for precision, comfort, and reliability.

Best Seller Ranking	#6 in Keyboard

Model
Brand	Logitech
Name	MK540 ADVANCED
Model	920-008671

Keyboard
Keyboard Interface	USB
Design Style	Slim
Palm Rest	Yes
Keyboard Color	Black
Dimensions	Keyboard: 0.94" x 18.00" x 7.62" Mouse: 1.54" x 2.43" x 4.40"
Type	RF Wireless

Mouse
Mouse Included	Yes
Mouse Interface	RF Wireless
Mouse DPI	1000 dpi
Hand Orientation	Both Hands
Tracking Method	Optical
Buttons	3
Scrolling Capability	1 x Wheel
Mouse Color	Black

Wireless
Power Supply	Keyboard: 2 AA batteries (Alkaline Battery) Mouse: 1 AA battery (Alkaline Battery)
Operating Time	Keyboard: 36 months Mouse: 18 months
Distance	10m

OS / System Requirement
Operating System Supported	Windows-based PC Windows Vista or Windows 7, Windows 8, Windows 10 USB port Mac computer Mac OS X 10.4 or later USB port Chrome OS Chrome OS USB port

Features
Features	Type with comfort and precision on a full-size keyboard without a learning curve. Stay productive for hours with a wireless mouse designed to fit comfortably in either your right or left hand. Depend on your keyboard and mouse combo to work perfectly every time you sit at the desk. Your keyboard won't require new batteries for 36 months and your mouse stays powered for 18 months. The keyboard is spill resistant to 60ml of liquid and abrasion-resistant key printing assures that your keys won't quickly fade. Convenient and essential hot keys give you direct access to media, calculator and battery check functions. Preset Fn-shortcuts can be personalized in Logitech Options to match your unique workflow. Plug and play your keyboard and mouse with one tiny USB receiver with Unifying technology. You'll get a reliable - and encrypted - wireless connection up to 10 meters away with virtually no delays or dropouts.

Package Contents
Package Contents	Keyboard with 2 AA batteries Mouse with 1 AA battery Logitech Unifying receiver User documentation

Additional Information
First Listed on Newegg	April 26, 2019

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
Read full details

Return Policies

We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

Return for refund until: January 31, 2026

Return for replacement until: January 31, 2026

This item is covered by Newegg.com's Extended Holiday Return Policy. Read full return policy for details.

Best Sellers

Logitech MK540 Wireless Keyboard Mouse Combo - USB Wireless RF Keyboard - Black - USB Wireless RF Mouse - Optical - 1000 dpi - 3 Button - Scroll Wheel - QWERTY - Black

Learn more about the MK540 ADVANCED

Customer Reviews of MK540 ADVANCED

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16823126499

Best Sellers

Logitech MK540 Wireless Keyboard Mouse Combo - USB Wireless RF Keyboard - Black - USB Wireless RF Mouse - Optical - 1000 dpi - 3 Button - Scroll Wheel - QWERTY - Black

Learn more about the MK540 ADVANCED

Customer Reviews of MK540 ADVANCED

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info