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Logitech Signature Comfort Plus M850 L

LogitechOffice mouse

Signature Comfort Plus M850 L

Released June 2026.6Press articlecgmagonline.com/news/logitech-unveils-new-comfort-plus-lineupRead 14 October 2026Article of May 26, 2026 says the lineup is available to buy and ships in June. Tom's Guide review is dated 3 June 2026. Launch price US$49.99. Last checked 16 October 2026.

Mouse weight (claimed)
107.9g
Marketed sensor name
Pluto ONE
Maximum configurable DPI
4,000DPI
Max polling rate
125Hz

62 of 154 fields known.

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All specs

SourceCalculated

General

Series
Signature Series1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Model numbers
910-007709, 910-007710, 910-007711, 910-007715, 910-007716, 910-0078071Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026US page lists 910-007709 Graphite, 910-007710 Off White and 910-007711 Black.
GTIN / EAN
Not available
Announced
26 May 20265Press releaselogitech.com/blog/2026/05/26/signature-comfort-plus-more-comfort-less-distraction-workdays-easierRead 14 October 2026Logitech blog post dated May 26, 2026 announces the Signature Comfort Plus lineup.
Status
Available1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Predecessor
Not available
Successor
Not available
Launch price (US)
$49.996Press articlecgmagonline.com/news/logitech-unveils-new-comfort-plus-lineupRead 14 October 2026Article of May 26, 2026 states US$49.99 for the M850 L. The Logitech store page shows the same price.
Launch price (EU)
Not available
Markets
US, EU, GB2Maker product pagelogitech.com/en-eu/shop/p/signature-comfort-plus-m850lRead 14 October 2026EU and GB store pages list 910-007715 Graphite, 910-007716 Off White and 910-007807 Black with the same specification.
Colours
Graphite, Off White, Black1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Segment
Office5Press releaselogitech.com/blog/2026/05/26/signature-comfort-plus-more-comfort-less-distraction-workdays-easierRead 14 October 2026Filed under Personal Work Solutions and described as a mouse for long desk days.
Mouse type
Standard1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Conventional horizontal mouse with a sculpted right-hand shape (FAQ). Not a vertical mouse or a trackball.

Shape

Body shape
Asymmetric, right-handed1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Maker size class
Not available
Recommended grips
Not available
Recommended hand size
Not available
Hump position
Not available
Thumb rest
Yes1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Ring or pinky finger rest
Not available
Upper shell
Not available
Swappable parts
Palm rest3Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026Replacing the palm cushion: the cushion is designed to be replaceable and is removed with a pick tool.
Adjustable weight
Not available
Maximum added weight
Not available
Vertical angle
Not available
Trackball diameter
Not available
Trackball position
Not available

Dimensions and weight

Front and side, drawn to scale.

Mouse body dimensions
Length121.8Maximum width74.3Maximum height44.2mm(4.8 × 2.9 × 1.7 in)1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists Height 121.8 mm, Width 74.3 mm and Depth 44.2 mm. Stored as length, width and height. Receiver not included.
Grip width
Not available
Mouse weight (claimed)
107.9g(3.8 oz)1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists 107.9 g with battery and 82.9 g without battery. The Signature Comfort Plus M850 L for Business (910-007703) is listed at 102.9 g with battery, so the Business version is a different configuration.
Box dimensions
Not available
Packed weight
Not available

Sensor

Marketed sensor name
Pluto ONE1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists Sensor Technology Pluto ONE.
Published sensor brand
Logitech1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Physical sensor part number
Not available
Sensor type
Optical1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists Tracking technology Logitech Advanced Optical.
Maximum configurable DPI
4,000DPI1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Minimum configurable DPI
400DPI1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
DPI adjustment step
100DPI1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page says 400-4000 DPI can be set in increments of 100 DPI. The Business datasheet says 50 DPI increments.
Maximum DPI stages
Not available
Default DPI presets
1,000DPI1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists Nominal value 1000 DPI.
Separate X and Y DPI
Not available
Tracking speed (claimed)
Not available
Tracking acceleration (claimed)
Not available
Lift-off distance settings
Not available
Separate lift and landing distance
Not available
Surface calibration
Not available
Motion Sync
Not available
Angle snapping
Not available
Ripple control
Not available
Tracks on glass
Not available
Sensor position
Not available

Performance

Documented polling rates by connection
Data connectionPolling rate (Hz)
Bluetooth125
Source7Reviewtomsguide.com/computing/mice/logitech-signature-comfort-plus-m850l-reviewRead 14 October 2026Review text says Bluetooth maxes out at 125 Hz. The spec table lists polling rate as not specified. Logitech does not publish a rate.
Max polling rate
125Hz
Polling rate (wired)
Not available
Polling rate (2.4 GHz)
Not available
Polling rate (Bluetooth)
125Hz
Claimed click latency
Not available
Adjustable debounce
Not available
Minimum debounce
Not available

Measured

We could not find any of these 7 fields. Show them
Latency per connection (measured)
Not available
DPI deviation (measured)
Not available
Lift-off distance (measured)
Not available
Main click force (measured)
Not available
Weight (measured)
Not available
Battery life (measured)
Not available
Hand size fit
Not available

Switches

Main switch type
Mechanical7Reviewtomsguide.com/computing/mice/logitech-signature-comfort-plus-m850l-reviewRead 14 October 2026Review calls the main clicks silent microswitches.
Published main-switch brand
Not available
Main switch model
Not available
Main switch rated life
Not available
Hot-swap main switches
Not available
Adjustable click actuation
Not available
Separate main buttons
Not available
Side switch model
Not available
Middle click switch
Not available
Scroll encoder type
Not available
Scroll encoder
Not available

Buttons and scroll wheel

Physical button inputs
71Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 20263Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026Physical inputs are left and right click, wheel click, DPI button, back and forward buttons and the connect button under the mouse. The field counts the connection pushbutton, so the count is 7. The on/off switch is not counted.
Programmable buttons
41Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists 4 (scroll-wheel middle click, side buttons, DPI button).
Side buttons
23Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026
Side buttons on
Left8Reviewbusinesstoday.in/technology/reviews/story/logitech-signature-comfort-plus-m850-l-review-comfort-meets-productivity-547783-2026-08-07Read 14 October 2026Review places the customisable shortcut buttons on the thumb side of this right-handed mouse, which is the left wall.
DPI button
Yes3Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026
DPI button position
Top3Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026Top view lists the DPI button beside the SmartWheel on the top shell.
Profile button
Not available
Dedicated DPI-shift button
Not available
Dedicated gesture button
No1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists Gesture button: No.
Scroll wheel
Notched, Free spin1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists SmartWheel. The setup guide describes ratchet and free-spin scrolling.
Scroll mode switch
Automatic3Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026SmartWheel switches between line-by-line and super-fast scrolling with a flick of the wheel.
Separate thumb wheel
No1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Scroll wheel material
Not available

Build

Shell material
Plastic, polymer unspecified7Reviewtomsguide.com/computing/mice/logitech-signature-comfort-plus-m850l-reviewRead 14 October 2026Spec table lists Body material: Plastic.
Surface finish
Not available
Installed feet material
PTFE7Reviewtomsguide.com/computing/mice/logitech-signature-comfort-plus-m850l-reviewRead 14 October 2026Review says two PTFE skates on the underside.
Installed skate pieces
27Reviewtomsguide.com/computing/mice/logitech-signature-comfort-plus-m850l-reviewRead 14 October 2026Review says two PTFE skates on the underside.
Feet shape
Not available
Feet thickness
Not available

Cable

Cable
Not available
Cable length
Not available
Detachable cable
Not available
Port on mouse
None3Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026The top, bottom and side views name every external control: wheel, DPI button, LEDs, connect button, sensor, on/off switch, battery compartment and back/forward buttons. No port is shown.
Cable host plug
Not available

Connectivity

Connections
Bluetooth1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Bluetooth Low Energy only in the box. The page says the mouse is compatible with a Logi Bolt USB Receiver that is not included, so 2.4 GHz is not listed.
Wireless technology
Not available
Bluetooth
Not available
Saved Bluetooth pairing slots
33Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026Easy-Switch channels 1 to 3 each pair over Bluetooth. A short press of the connect button under the mouse selects the next channel.
Switchable host devices
31Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Device switching
Button3Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026
Receiver host connector
None1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026No receiver in the box. Logi Bolt receiver is sold separately.
Receiver storage in mouse
Not available
Receiver extender included
Not available
Receiver pairing shared
Not available
Wireless range
10m1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists 33 ft (10 m).
Basic mouse OS support
Windows, macOS, Linux, ChromeOS, iPadOS, Android1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Consoles
Not available

Battery

Battery type
AA1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Disposable battery count
11Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Battery capacity
Not available
User-replaceable battery
Yes1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026FAQ says the mouse has a replaceable battery.
Battery life by mode (claimed)
Not available
Battery life (up to)
Not available
Battery life (normal use)
24months1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026Page lists up to 24 months. Actual battery life varies by usage.
Longest battery life
Not available
Battery life at 1000 Hz
Not available
Battery life on Bluetooth
Not available
Charging port
None1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026FAQ: no charging cable is needed because the mouse has a replaceable battery.
Full charge time
Not available
Quick charge
Not available
Use while charging
Not available
Charging system compatibility
Not available
Charging dock included
Not available
Battery indicator
LED, Software3Owner's manuallogitech.com/content/dam/support/mice/m850-l/m850-l-ww.pdfRead 14 October 2026LED on top shows battery status. Logitech software adds low-charge notifications.

Lighting

Decorative RGB lighting
No7Reviewtomsguide.com/computing/mice/logitech-signature-comfort-plus-m850l-reviewRead 14 October 2026Spec table lists Lighting: No.
Decorative lighting zones
Not available
Lighting sync
Not available
DPI indicator
Not available

Software

Software
Logi Options+1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Configuration software platforms
Windows, macOS1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Onboard memory
Not available
Onboard profiles
Not available
Macros
Not available
Macros stored onboard
Not available
Button remapping
Yes1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Per-app profiles
Yes4Maker product pagesupport.logi.com/hc/en-us/articles/39622699741847-Getting-Started-Signature-Comfort-Plus-MK880Read 14 October 2026The page covers the M850 L mouse in the MK880 combo. App-specific settings for Chrome, Zoom, Excel, Word and others are listed. Needs Logi Options+ running.
User firmware updates
Not available

In the box

In the box
Mouse with 1 x AA battery (included), User documentation1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026
Cables included
Not available
Extra skates included
Not available
Grip tape
Not available

Warranty

Manufacturer warranty (source market)
1year1Maker product pagelogitech.com/en-us/shop/p/signature-comfort-plus-m850lRead 14 October 2026US page states a 1-Year Limited Hardware Warranty. The EU and GB pages state 2 years.

Compare with

Pick a mouse to see both side by side. Differences are marked yellow.

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Variants

Each variant lists only what differs from the specs above.

Model numberLaunch price (US)MarketsColours
910-007709$49.99USGraphite
910-007710$49.99USOff White
910-007711$49.99USBlack
910-007715Not availableEU, GBGraphite
910-007716Not availableEU, GBOff White
910-007807Not availableEU, GBBlack

Sources

We read 8 sources for this mouse. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 39 fields
  2. Read 14 October 2026Backs 1 field
  3. Read 14 October 2026Backs 11 fields
  4. Read 14 October 2026Backs 1 field
  5. Read 14 October 2026Backs 2 fields
  6. Read 14 October 2026Backs 2 fields
  7. Read 14 October 2026Backs 6 fields
  8. Read 14 October 2026Backs 1 field

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