Do you have to turn it off when finished? If so, how?

You don't have to turn it off but you can to save battery life. To turn it off turn it over, there is an on/off switch on the bottom of the mouse,

How long is the mouse? Would like to use it for a laptop an don't want a full-sized mouse. I have another one that's only 4" from front to back.

It's approx. 3 7/8" long by 2 1/4" (approximate because it is an irregular shape, and should be no more than a 1/16" off) Should do the trick for you. I use it for my laptop and love it! I hope this helps :)

when the battery goes where can you get replacement or do you have to buy anew logiteh wirelss mouse m185

There is a slide-off panel on the bottom of the mouse. Remove it and replace the AA battery inside.

Does the unifying receiver store inside the battery cover like most Logitech mouses, or do you have to carry it around separately from the mouse?

The unifying receiver stores inside the battery cover like most Logitech mouses.

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M240 Silent Bluetooth Mouse, Wireless, Compact, Portable, Smooth Tracking, 18-Month Battery, for Windows, macOS, ChromeOS, Compatible with PC, Mac, Laptop, Tablets - Graphite

Product ID: 536258317

Details

Brand
Logitech
Color
Graphite
Connectivity Technology
Bluetooth
Movement Detection Technology
Optical
Special Feature
Lightweight

📶10m Bluetooth range

🔋18-month battery life

🖱️1000 DPI optical tracking

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R$375

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖱️ Silent power, endless productivity—your desk’s new best friend.

ENDURANCE CHAMPION - Up to 18 months of battery life keeps you unplugged and unstoppable.
WHISPER QUIET CLICKS - 90% noise reduction for distraction-free focus in any workspace.
SEAMLESS BLUETOOTH PAIRING - Connect instantly—no dongle, no hassle, just pure productivity.
CROSS PLATFORM COMPATIBILITY - Flawlessly works with Windows, macOS, Linux, ChromeOS, iPadOS, and Android.
ERGONOMIC AMBIDEXTROUS DESIGN - Comfort that fits right or left hand, perfect for on-the-go pros.

The Logitech M240 Silent Bluetooth Mouse offers ultra-quiet clicks with 90% noise reduction, a long-lasting 18-month battery, and reliable 10-meter Bluetooth connectivity. Its compact, ambidextrous design ensures comfort and portability, while seamless compatibility across major operating systems makes it the ideal wireless mouse for professionals seeking distraction-free efficiency.

Specifications

ASIN	B0BXNR9DB6
Additional Features	Lightweight, Portable, Soundless, Wireless
Antenna Location	Gaming, Office
Are Batteries Included	Yes
Are Batteries Required	Yes
Battery Average Life	18 months
Best Sellers Rank	#1 in Computer Mice
Brand	Logitech
Built-In Media	1 AAA Battery, M240 Silent Mouse, User Documentation
Button Quantity	3
Color	Graphite
Compatible Devices	Laptop
Connectivity Technology	Bluetooth
Customer Reviews	4.5 4.5 out of 5 stars (10,099)
EU Spare Part Availability Duration	18 Months
Embellishment Feature	Logo
Enclosure Material	Recycled Plastics: The plastic parts in M240 Silent Bluetooth Mouse include certified post-consumer recycled plastic to give a next life to plastic from old consumer electronics and help reduce our carbon footprintGraphite plastics: 48% of recycled material
Global Trade Identification Number	00097855187673
Hand Orientation	Ambidextrous
Hardware Platform	Mac, PC
Item Dimensions L x W	1.54"L x 2.36"W
Item Type Name	Computer Mouse
Item Weight	73.8 Grams
Manufacturer	Logitech
Mfr Part Number	910-007113
Minimum Required Operating System Version	ChromeOS 137, Debian 12.0 Bookworm, Fedora 39, Fire OS 8, Linux Mint 21.3, Mac OS 13 Ventura, Manjaro 24 Virgo, Ubuntu 22.04 Jammy Jellyfish, Windows 11, iPadOS 17
Model Name	M240 Silent
Model Number	910-007113
Mouse Maximum Sensitivity	1000 Dots per Inch
Movement Detection	Optical
Number of Batteries	1 AAA batteries required. (included)
Operating System	Linux
Power Source	Battery Powered
Range	10
Style Name	Bluetooth
UPC	097855187673
Unit Count	1.0 Count
Warranty Description	1 Year Limited Hardware Warranty

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