Logitech - Signature Comfort M840 L Wireless Bluetooth Mouse with Silent Clicks and Customizable Buttons - Wireless - Black
Customers are saying
Customers appreciate the excellent ergonomics of this mouse, which users with smaller hands find particularly comfortable. Additionally, the device is praised for its seamless connectivity and quiet clicking mechanism. Overall, users are highly satisfied with the performance of this product.
Color
BlackFeatures
Comfy grip, every click
Contoured mouse shaped for right-handed use and adapted for most hand sizes, this comfortable mouse with cozy side grips make your workday more comfortable
Scroll faster, stay focused
Scroll line by line or fly through pages with SmartWheel; quiet clicks reduce noise in shared or home offices
Make it yours
Customizable buttons via Logi Options+ adapt to your tasks and help you do more; in the app you can boost productivity across apps, adjust DPI levels and personalize your workflow.
Simple connections
Connect this multi-device mouse with Bluetooth pairing, then swap up to 3 devices instantly with Easy-Switch—just a tap, no dongle needed; perfect for multitasking
Power that just keeps going
Logitech Signature Comfort M840 L wireless Bluetooth mouse stays powered up for up to 24 months—no constant battery changes
Power that just keeps going
Logitech Signature Comfort M850 L wireless Bluetooth mouse stays powered up for up to 24 months—no constant battery changes
Works on nearly any platform
Compatible with Windows, macOS, Chrome OS, Linux, ipadOS and Android; one mouse for all your devices and desk setups
Designed for sustainability
The plastic parts of Signature Comfort Plus M850 L are made with a minimum of 49% post-consumer recycled plastic
Specifications
- Lighting TypeNoneMaximum Sensitivity4000 dots per inchNumber of Buttons (Total)6Connection TypeWireless
Reviews
Rating 4.9 out of 5 stars with 16 reviews
- Ergonomics (9)
- Connectivity (4)
- Noise Level (4)
- Overall Performance (3)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Compare similar products
Meet Signature Comfort M840 L, a mouse designed for right hands with comfortable side grips, quiet clicks, SmartWheel scrolling, and effortless Bluetooth pairing across your devices. Connect wirelessly with Windows, macOS, Chrome OS, Linux, iPadOS, and Android, plus enjoy up to 24 months of battery life.
Meet Signature Comfort Plus M850 L, Logitech’s first mouse with a palm cushion for a soft, comfy spot beneath your hand. Designed for right hands, M850 L features cozy side grips and a natural shape for lasting comfort during long days. SmartWheel scrolling lets you move between precise and speedy navigation, while quiet clicks keep your workspace peaceful. Effortlessly switch between up to three devices with Bluetooth pairing and Easy-Switch—no dongle required. Connect wirelessly and seamlessly to Windows, macOS, Chrome OS, Linux, iPadOS, and Android, and enjoy up to 24 months of battery life.
Upgrade to smarter scrolling and more productivity with a mouse comfort-fit for your hand size and preference. You’ll work faster than ever before thanks to SmartWheel scrolling, silent clicks, and a contoured comfort design. Smartwheel Scrolling provides line-by-line precision for documents – and super fast scrolling for long web pages. Choose the right design for you – whether you have smaller or larger hands – and work long hours in comfort thanks to the computer and laptop mouse's contoured shape and soft-to-the-touch thumb area. Connect instantly via Bluetooth or Logi Bolt USB receiver. Customize the side buttons for your favorite shortcuts with Logitech Options+. Work in peace and quiet thanks to 90 percent less click noise and Logitech SilentTouch technology. Plus, work for up to 2 years on the included AA battery so you never have to worry about recharging your mouse.
The advanced mobile mouse for power users. Harness the power of Logitech Flow and seamlessly move content between three devices. Scroll through documents and web pages faster and easier with the hyper-fast scroll wheel. Powers up for an entire day in just three minutes. A compact, sculpted shape crafted to fit your hand and provide the control you need anywhere.
| Pros for Logitech - Signature Comfort M840 L Wireless Bluetooth Mouse with Silent Clicks and Customizable Buttons - Wireless - Black | |||
|---|---|---|---|
| Ergonomics, Connectivity, Noise Level, Overall Performance | Ergonomics, Noise Level, Overall Performance | There were no pros for this product— | Overall Performance, Connectivity, Battery Life, Portability, Design |
| Cons for Logitech - Signature Comfort M840 L Wireless Bluetooth Mouse with Silent Clicks and Customizable Buttons - Wireless - Black | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Click Sound |
Specs
Customers often buy these together
Computer Keyboards
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