Discover Signature Comfort M840 L, created for all-day comfort with a natural shape for right hands and cozy side grips. Enjoy smooth SmartWheel scrolling and quiet clicks-making every navigation peaceful and precise. Effortlessly switch between up to three devices with Bluetooth and Easy-Switch, with no dongle required. Connect wirelessly across Windows, macOS, Chrome OS, Linux, iPadOS, and Android for a seamless working experience. With up to 24 months of battery life, you can work, create, and stay connected with fewer interruptions and more focus.
- 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
- 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 sustainabil
| Brand | |
|---|---|
| Brand | Logitech |
| Power & Battery | |
|---|---|
| Maximum Battery Life | 2 Year |
| Battery Size Supported | AA |
| Number of Batteries Supported | 1 |
| Power Source | Batteries |
| Networking & Connectivity | |
|---|---|
| Wireless Operating Frequency | 2.40 GHz |
| Input Devices | |
|---|---|
| Pointing Device Connectivity | Wireless |
| Pointing Device Wireless Tech | Bluetooth/Radio Frequency |
| Total Number of Buttons | 6 |
| Movement Detection | Optical |
| Scroller Type | Scroll Wheel |
| Pointing Device Host Interface | USB |
| Movement Resolution (dpi) | 4000 |
| Appearance | |
|---|---|
| Ergonomic Fit | Right-handed |
| General Features | |
|---|---|
| Manufacturer | Logitech |
| Misc Ports | |
|---|---|
| Wireless Receiver Interface | USB |
| Packaging & Origin | |
|---|---|
| Battery Included | Yes |
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