Logitech Signature Comfort M840 L Multi-Device Silent Wireless Mouse (Large Size)
Logitech M840L, Logitech wireless mouse, large ergonomic mouse, silent click mouse, office mouse, bluetooth mouse laptop
Do long working hours leave your wrists feeling fatigued? The Logitech Signature Comfort M840 L Multi-Device Silent Wireless Mouse (Large Size) is explicitly designed for right-handed users with larger hands. Featuring an ergonomic contoured shape, a sculpted thumb rest, and extended soft rubber grips, it delivers a gentle hold for all-day comfort. Whether you are working from home, handling daily documentation, or multi-tasking across devices, this mouse reduces hand strain and restores confident control.
【 Key Features for Peak Productivity 】
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SmartWheel Scrolling: Switch seamlessly between precise line-by-line scrolling and hyper-fast scrolling through long documents or web pages.
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SilentTouch Technology: Significantly reduces click noise, creating a peaceful and focused workspace without distracting those around you in the office or coffee shops.
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Multi-Device Pairing: Equipped with advanced Bluetooth Low Energy technology, allowing you to pair and switch between up to 5 devices effortlessly.
【 Product Specifications 】
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Model: Logitech Signature Comfort M840 L
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P/N: Graphite - 910-007735 / Off White - 910-007736
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Sensor Technology: Pluto ONE, Logitech Advanced Optical Tracking
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DPI (Min & Max): Rated value 1000 DPI (Adjustable from 400 to 4000 DPI in increments of 100 DPI)
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Number of Buttons: 6 independent buttons (Left/Right click, Scroll wheel with middle click, Side buttons x2, DPI switch button)
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Customizable Buttons: 4 buttons (Assign shortcuts via Logi Options+ or Logi Tune apps)
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Scrolling Type: SmartWheel with virtual horizontal scroll support
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Connection Type: Bluetooth Low Energy (Compatible with Logi Bolt USB Receiver, *Not Included*)
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Wireless Range: Up to 10 meters (33 feet)
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Multi-Device Pairing: Connect up to 5 devices simultaneously
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Battery Type: 1 x AA alkaline battery (Included)
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Battery Life: Up to 24 months (May vary based on user and computing conditions)
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Product Dimensions: 121.8 mm x 74.3 mm x 43.2 mm
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Product Weight: 104.6 g (with battery) / 79.6 g (without battery)
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System Requirements:
- Bluetooth Low Energy: Windows 10/11 or later, macOS 12 or later, iPadOS 15 or later, Android 12 or later, Linux, ChromeOS
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Package Contents: M840L Wireless Mouse, 1 x AA battery, User documentation
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Warranty Information: 1-Year Limited Hardware Warranty
【 Eco-Friendly Design & Personalization 】
The M840 L values both your physical well-being and the planet's ecosystem. It is manufactured responsibly, utilizing certified post-consumer recycled plastic to lower its carbon footprint. Furthermore, you can download the Logi Options+ App to fully customize side button shortcuts, tailoring your digital workflow exactly to your lifestyle!
