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Mice · Logitech
Reference 910-007709, 910-007710, 910-007711
Wireless Bluetooth mouse with palm cushion for enhanced comfort
Take comfort into your own hands with Signature Comfort Plus M850 L, a wireless mouse that blends comfort and productivity. Feel the sculpted design and soft palm cushion. Work effortlessly with SmartWheel scrolling and customizable buttons.
The palm cushion on the mouse gives you a comfy spot for your hand, making long hours of work feel a little more comfortable. 93% of surveyed users felt comfortable using the mouse, even after a full workday*.
*Based on a Logitech US study (2025) with 105 external participants with varying hand sizes over a 5-day usage trial
The sculpted shape fits naturally in your hand. The thumb rest and extended rubber side grip give you confidence and control. It’s the perfect fit.
Scroll line by line or fly through pages with SmartWheel—all with quiet clicks for a calm, focused workflow.
Do more than you ever dreamed with the Logi Options+ App. Personalize your experience to make it work for you.
Connect with Bluetooth, then swap between up to 3 devices instantly with Easy-Switch—just a tap, no dongle needed, perfect for multitasking.
Signature Comfort M850 L stays powered up for up to 24 months—no constant battery changes.
Don’t worry about your device’s operating system—connect wirelessly to Windows, macOS, ChromeOS, Linux, iPadOS and Android.
| Specification | Value |
|---|---|
| Signature Comfort Plus M850 L (with battery) - receiver not included | |
| Height | 4.8 in (121.8 mm) |
| Width | 2.93 in (74.3 mm) |
| Depth | 1.74 in (44.2 mm) |
| Weight | 3.81 oz (107.9 g) |
| Signature Comfort Plus M850 L (without battery) - receiver not included | |
| Height | 4.8 in (121.8 mm) |
| Width | 2.93 in (74.3 mm) |
| Depth | 1.74 in (44.2 mm) |
| Weight | 2.92 oz (82.9 g) |
| Sensor and tracking | |
| Sensor Technology | Pluto ONE |
| Nominal value | 1000 DPI |
| DPI (Minimal and maximal value) | 400-4000 DPI (can be set in increments of 100 DPI) |
| Tracking technology | Logitech Advanced Optical |
| Buttons | |
| Number of Buttons | 6 (Left/Right-click, Scroll-wheel middle click, side buttons, DPI button) |
| Gesture button | No |
| Number of programmable buttons | 4 (Scroll-wheel middle click, side buttons, DPI button) |
| Scroll types | |
| Scroll Wheel | SmartWheel |
| Horizontal scroll | Virtual |
| Thumb wheel | No |
| Features | |
| Customization app | Logi Options+, Logi Tune |
| Handedness | Right |
| Battery | |
| Battery type | 1 AA battery (Alkaline Battery) |
| Battery life | 24 months |
| Battery life with Logi Bolt USB Receiver | up to 24-months |
| Battery life with Bluetooth® | up to 24-months |
| Connectivity | |
| Connection Type | Bluetooth Low Energy Technology |
| Wireless range | 33-ft (10 m) |
| Unifying-ready mouse | No |
| Unifying-ready receiver | No |
| Multi-device pairing | Up to 3 devices |
| System requirements | |
| Bluetooth | Required: Bluetooth Low Energy, Windows 10, 11 or later, macOS 12 or later, Linux*, ChromeOS*, iPadOS* 15 or later, Android™ OS* 12 or later. (*Device basic functions will be supported without software for systems other than Windows and macOS) |
| Logi Bolt USB receiver | Compatible with Logi Bolt USB Receiver (not included), Not compatible with other Logitech USB receivers. |
| Customization app | Logi Options+, Logi Tune |
| Certified for | WWCB, Engineered for Intel Evo laptops |
| Warranty | |
| Warranty | 1-Year Limited Hardware Warranty |
| In the box | |
| Package contents | Mouse with 1 x AA battery (included) User documentation |
| Model variants | |
| 910-007709 | Signature Comfort Plus M850 L - Graphite — Graphite |
| 910-007710 | Signature Comfort Plus M850 L - Off White — Off White |
| 910-007711 | Signature Comfort Plus M850 L - Black — Black |
Signature Comfort Plus is a comfort-focused mouse for today's blended work-life. It is Logitech's first mouse with palm cushion support, combined with less noisy operation, multi-device connectivity, and customizable buttons to make long, full workdays more comfortable.
The mouse includes Logitech's first palm cushion support, combined with a sculpted right-hand shape and rubber side grips.
Yes. All surface materials (including of a palm cushion) are selected to be low-maintenance and suitable for regular wipe cleaning. More details on the cleaning recommendations can be found here -
For the cushion, we selected a material specifically engineered for stain resistance and ease of maintenance. The material features a refined, smooth texture that ensures long-term comfort while remaining highly functional for daily use.
The palm cushion is designed to make long hours on the mouse feel more comfortable by supporting the hand where it experiences the most pressure. We introduced it to bring a new level of everyday comfort to the mouse experience, without compromising control, grip, or productivity.
No. It's designed for home, office, and hybrid environments — especially shared or flexible workspaces where less noisy operation and comfort matter.
Yes. The mouse supports multi-device pairing and Easy-Switch, allowing users to connect and switch between up to three devices.
Yes. It supports major operating systems including Windows, macOS, ChromeOS, and others.
Yes. Through the Logi Options+ app, users can customize buttons and action shortcuts.
Mouse battery life is up to 24 months. Actual battery life varies by usage.
No. The mouse has replaceable battery designed for long life.
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