Logitech ERGO M575S Wireless Trackball vs Logitech Signature M650

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech ERGO M575S Wireless TrackballLogi Bolt USB-A receiver (included) and Bluetooth Low Energy

Logitech Signature M650Bluetooth Low Energy or Logi Bolt USB receiver (included, stored in the mouse)

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Not compatible with Unifying receivers.

Logitech Signature M650

Manufacturer specification · Wireless range 10 m, per Logitech.

Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page Specification - Signature M650 — Logitech Support

Check the exact configuration and source conditions for your use.

Body length

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech ERGO M575S Wireless Trackball134 mm

Logitech Signature M650108.2 mm

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Signature M650

Manufacturer specification · Logitech's listed height (front-to-back in its top-view convention).

Check the exact configuration and source conditions for your use.

Battery

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech ERGO M575S Wireless Trackball1 × AA (included, user-replaceable)

Logitech Signature M6501 × AA (replaceable, included); up to 24 months with Logi Bolt or 20 months with Bluetooth

Sources

Logitech ERGO M575S Wireless Trackball

Receiver rating is up to18months. Bluetooth is18months in the support specification and20months in the product FAQ. · Manufacturer specification · One included user-replaceable AA battery. Connection-specific endurance is recorded separately; Bluetooth claims conflict.

Logitech Signature M650

Manufacturer specification · Logitech's ratings; test conditions are not stated.

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Listed package

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications

Logitech ERGO M575S Wireless TrackballTrackball; Logi Bolt receiver; 1 × AA battery; documentation

Logitech Signature M650Mouse; Logi Bolt receiver (inside the mouse); 1 AA battery (inside the mouse); user documentation

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Signature M650

Manufacturer specification · Manufacturer box contents. Check the seller's listing.

Check the exact configuration and source conditions for your use.

Maximum sensitivity

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech ERGO M575S Wireless Trackball2000 DPI

Logitech Signature M6504000 DPI

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Signature M650

Manufacturer specification · Adjustable in software, per Logitech.

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Minimum sensitivity

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech ERGO M575S Wireless Trackball100 DPI

Logitech Signature M650400 DPI

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Adjustable in Logi Options+; nominal 400 DPI.

Logitech Signature M650

Manufacturer specification · Logitech lists 400 – 4,000 DPI (software).

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Show 3 more verified differences

Primary button durability claim

Logitech Support — Specification - ERGO M575S

Logitech ERGO M575S Wireless Trackball3 million clicks (left/right)

Logitech Signature M650Left/right: 5 million clicks; middle click: 1 million; back/forward: 500,000

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Signature M650

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Check the exact configuration and source conditions for your use.

Body width

Logitech ERGO M575S Wireless Trackball100 mm

Logitech Signature M65061 mm

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Signature M650

Manufacturer specification · Logitech's listed width; Logitech does not state the measurement basis.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

A size or weight trade-off; it does not establish the better product.

Dimensions

Logitech ERGO M575S Wireless Trackball134 × 100 × 48 mm (length × width × height)

Logitech Signature M650108.2 × 61 × 38.8 mm (length × width × height)

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Logitech labels these Height 134 mm, Width 100 mm, Depth 48 mm; the first is the front-to-back length in its top-view convention.

Logitech Signature M650

Manufacturer specification · Standard Signature M650. Logitech lists height 108.2 mm, width 61 mm and depth 38.8 mm; as in other Logitech records in this catalogue, Logitech's height is the front-to-back length and its depth is the mouse's height. The M650 L and M650 L Left measure 118.7 × 66.2 × 42 mm.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications

A size or weight trade-off; it does not establish the better product.

Configuration & compatibility details (2)

Hand orientation

Logitech ERGO M575S Wireless TrackballRight-handed only (thumb trackball on the left side)

Logitech Signature M650Right-handed contoured shape; side buttons on the left

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Signature M650

Manufacturer specification · Logitech recommends the M650 for small-to-medium hands and sells a separate M650 L Left for left-handed users; the official views show the back and forward buttons on the left side. Not a grip or comfort test.

Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page

Both sources describe right-hand controls. Their wording does not establish a different hand orientation or identical shape and comfort.

Supported operating systems

Logitech ERGO M575S Wireless TrackballWindows 10/11+, macOS 12+, Linux, ChromeOS; iPadOS 15+ and Android 12+ over Bluetooth

Logitech Signature M650Windows 10, Windows 11; macOS 10.10 or later; ChromeOS; Linux; Android 5.0 or later; iPadOS 13.4 or later; Works with Surface

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Current Logitech UK product page requirements (both the Bolt receiver and Bluetooth list Windows 10, 11 or later and macOS 12 or later). Basic functions without additional drivers outside Windows and macOS. The support specification's at-release list gives macOS 10.14 or later (and Windows 10 or later) for the USB receiver, and the same Bluetooth list as the product page.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech Signature M650

Manufacturer specification · Logitech's OS/platform support; Bluetooth use needs macOS 10.15 or later. Logitech says it is Works With Chromebook Certified. Logitech's own sources disagree on minimum versions: the support specification and the UK page's system requirements give iPadOS 13.4 or later and Android 5.0 or later (recorded here), while the UK page's FAQ says it natively supports iPadOS (14 or later), Android (8.0 or later) and Linux.

Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

Missing or non-comparable evidence (14)

Switch type

Logitech ERGO M575S Wireless TrackballSilent

Logitech Signature M650Not verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Support — Specification - ERGO M575S

Logitech Signature M650

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Scroll controls

Logitech ERGO M575S Wireless TrackballNot verified

Logitech Signature M650SmartWheel scrolling

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Logitech Signature M650

Manufacturer specification · Original manufacturer description: SmartWheel (switches between line-by-line and fast scrolling). Shared SmartWheel availability is comparable; unlisted counterpart horizontal/thumb-wheel details remain unknown.

Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Sensor model

Logitech ERGO M575S Wireless TrackballNot verified

Logitech Signature M650Not verified

Sources

Logitech ERGO M575S Wireless Trackball

The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech Signature M650

The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification

Logitech Support — Specification - ERGO M575S

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum report rate

Logitech ERGO M575S Wireless TrackballNot verified

Logitech Signature M650Not verified

Sources

Logitech ERGO M575S Wireless Trackball

Logitech support lists 125 Hz (8 ms) over the receiver in LO mode and 88–133 Hz over Bluetooth; no single maximum is stated. · Manufacturer specification

Logitech Signature M650

Logitech does not list a report rate in Hz for this model. · Manufacturer specification · Logitech gives report intervals rather than rates: 7.5 ms over Logi Bolt and 7.5–11.25 ms over Bluetooth (1 ms is listed for the receiver's USB link).

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Customisation software

Logitech ERGO M575S Wireless TrackballLogi Options+ (Windows and macOS)

Logitech Signature M650Logi Options+

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Signature M650

Manufacturer specification · Original exact supported software description: Logi Options+ (Windows 10 or later and macOS 10.15 or later). Support separates software support(Windows10+/macOS10.15+) from deviceOS/platform support; at-release app is Options+ onWindows/macOS. Tune support is not resolved, and these source details do not establish a peer incompatibility.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

One source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.

Claimed battery life with Bluetooth

Logitech ERGO M575S Wireless TrackballConflicting evidence

Logitech Signature M650Not verified

Sources

Logitech ERGO M575S Wireless Trackball

Logitech primary-source Bluetooth endurance claims remain18versus20months. · Manufacturer specification · The support specification says up to18months over Bluetooth; the product FAQ says up to20months over Bluetooth. No reconciliation or matched test protocol is supplied.

Logitech Signature M650

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed battery life with Bolt receiver

Logitech ERGO M575S Wireless Trackball18 months

Logitech Signature M650Not verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Up to18months with the Logi Bolt receiver. Actual usage/test protocol not fully stated.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech Signature M650

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Glide feet

Logitech ERGO M575S Wireless TrackballNot verified

Logitech Signature M650PTFE (rated for a 100 km range)

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Logitech Signature M650

Manufacturer specification

Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Grip surface

Logitech ERGO M575S Wireless TrackballNot verified

Logitech Signature M650Soft thumb area and rubber side grips

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Logitech Signature M650

Manufacturer specification

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Materials

Logitech ERGO M575S Wireless TrackballNot verified

Logitech Signature M650Made with recycled plastic

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Logitech Signature M650

Manufacturer specification · Logitech's UK page data give certified post-consumer recycled (PCR) plastic of 64% for the mouse in Graphite, standard size (910-006253), excluding packaging, printed wiring assembly and receiver; the US page gives the same 64% for Graphite 910-006250. Logitech's support specification instead lists the PCR plastic as "Kingfa35%PCR Or Wistron 85%PCR". Both are reported as published; no single recycled-content percentage is recorded as the value.

Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page Specification - Signature M650 — Logitech Support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Click noise

Logitech ERGO M575S Wireless TrackballNot verified

Logitech Signature M650Quiet clicks

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Logitech Signature M650

Manufacturer specification · Logitech rates the silent left/right buttons for 5 million clicks and the silent middle click for 1 million. Logitech's FAQ says its SilentTouch technology reduces more than 90% of the clicking noise compared to Logitech M185; its feature text says SilentTouch reduces 90% of click sounds. No decibel figure is published. Original manufacturer description: Silent left/right clicks and silent middle click. These own claims do not establish a measured noise advantage over another quiet-click mouse.

Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Limited hardware warranty

Logitech ERGO M575S Wireless TrackballConflicting evidence

Logitech Signature M650Conflicting evidence

Sources

Logitech ERGO M575S Wireless Trackball

Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech US — ERGO M575S Wireless Trackball product page and technical specifications

Logitech Signature M650

Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification

Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wireless range

Logitech ERGO M575S Wireless Trackball10 m

Logitech Signature M650Not verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech Signature M650

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight

Logitech ERGO M575S Wireless Trackball145 g

Logitech Signature M650101.4 g

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Manufacturer-listed weight; battery inclusion not stated.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Logitech Signature M650

Manufacturer specification · Logitech lists 101.4 g (3.58 oz) for the standard Signature M650 without stating whether the AA battery is included.

First product manufacturer source Second product manufacturer source

The manufacturer sources do not establish the same cable weighing basis. Both published masses remain visible with their conditions, but are not ranked.

2 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Logitech ERGO M575S Wireless Trackball

What it brings

A stationary thumb trackball, so it works in small spaces without moving your arm; the ball pops out from the bottom for cleaning.
Manufacturer source
Silent-type switches and one included, user-replaceable AA battery; Logitech rates use with the Bolt receiver for up to18months.
Manufacturer source Manufacturer source
Connects via the included Logi Bolt receiver or Bluetooth, including iPadOS 15+ and Android 12+.
Manufacturer source Manufacturer source

What to check

Right-handed only, with five buttons; Logitech's specification table lists three of them as customisable, while its FAQ says five.
Manufacturer source
Sensitivity tops out at 2,000 DPI (100–2,000 in Logi Options+).
Manufacturer source Manufacturer source
It does not work with Logitech's older Unifying receivers.
Manufacturer source

Logitech Signature M650

What it brings

Left, right and middle clicks are silent, and Logitech rates one AA battery for up to 24 months on Logi Bolt (20 months on Bluetooth).
Manufacturer source
The receiver is included and stored in the mouse, and Logitech lists support for Windows, macOS, ChromeOS, Linux, Android and iPadOS.
Manufacturer source Manufacturer source

What to check

Tracking tops out at 4,000 DPI and Logitech lists report intervals of 7.5 ms or slower over Bolt and Bluetooth; Logitech positions it for all-day comfort and productivity.
Manufacturer source Manufacturer source
The standard M650 is right-handed; left-handed users need the separate M650 L Left, and Logitech does not say whether the 101.4 g weight includes the battery.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

27 of 27 specifications Sources in each row

Source-backed specifications for Logitech ERGO M575S Wireless Trackball and Logitech Signature M650
Specification	Logitech ERGO M575S Wireless Trackball	Logitech Signature M650

WeightDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Manufacturer-listed weight; battery inclusion not stated. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech lists 101.4 g (3.58 oz) for the standard Signature M650 without stating whether the AA battery is included. Specification - Signature M650 — Logitech Support	145 g	101.4 g
DimensionsDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Logitech labels these Height 134 mm, Width 100 mm, Depth 48 mm; the first is the front-to-back length in its top-view convention. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Standard Signature M650. Logitech lists height 108.2 mm, width 61 mm and depth 38.8 mm; as in other Logitech records in this catalogue, Logitech's height is the front-to-back length and its depth is the mouse's height. The M650 L and M650 L Left measure 118.7 × 66.2 × 42 mm. Specification - Signature M650 — Logitech Support	134 × 100 × 48 mm (length × width × height)	108.2 × 61 × 38.8 mm (length × width × height)
Body lengthDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech's listed height (front-to-back in its top-view convention). Specification - Signature M650 — Logitech Support	134 mm	108.2 mm
Body widthDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech's listed width; Logitech does not state the measurement basis. Specification - Signature M650 — Logitech Support	100 mm	61 mm
Hand orientationDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Signature M650 Manufacturer specification · Logitech recommends the M650 for small-to-medium hands and sells a separate M650 L Left for left-handed users; the official views show the back and forward buttons on the left side. Not a grip or comfort test. Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page	Right-handed only (thumb trackball on the left side)	Right-handed contoured shape; side buttons on the left
Glide feet Sources Logitech ERGO M575S Wireless Trackball No source recorded. Logitech Signature M650 Manufacturer specification Specification - Signature M650 — Logitech Support	Not provided	PTFE (rated for a 100 km range)

Tracking method Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Original manufacturer description: Logitech Advanced Optical Tracking (thumb-operated trackball). This identifies optical tracking, not a named sensor model. Model-specific hardware, accuracy and performance are not inferred. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech's sensor description; no sensor model is named. Original manufacturer description: Logitech Advanced Optical Tracking. This identifies optical tracking, not a named sensor model. Model-specific hardware, accuracy and performance are not inferred. Specification - Signature M650 — Logitech Support	Optical	Optical
Minimum sensitivityDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Adjustable in Logi Options+; nominal 400 DPI. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech lists 400 – 4,000 DPI (software). Specification - Signature M650 — Logitech Support	100 DPI	400 DPI
Maximum sensitivityDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Adjustable in software, per Logitech. Specification - Signature M650 — Logitech Support	2000 DPI	4000 DPI

Listed controls Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Left/right click, back/forward and scroll wheel with middle click; 3 customisable (back/forward, middle click) per the specification table. A Logitech FAQ answer says 5 customisable buttons. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech lists 5 buttons (left/right click, back/forward, scroll-wheel middle click) plus a connectivity button. Specification - Signature M650 — Logitech Support	5	5
Switch type Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech Support — Specification - ERGO M575S Logitech Signature M650 No source recorded.	Silent	Not provided
Primary button durability claimDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification Specification - Signature M650 — Logitech Support	3 million clicks (left/right)	Left/right: 5 million clicks; middle click: 1 million; back/forward: 500,000
Scroll controls Sources Logitech ERGO M575S Wireless Trackball No source recorded. Logitech Signature M650 Manufacturer specification · Original manufacturer description: SmartWheel (switches between line-by-line and fast scrolling). Shared SmartWheel availability is comparable; unlisted counterpart horizontal/thumb-wheel details remain unknown. Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support	Not provided	SmartWheel scrolling

ConnectionsDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Not compatible with Unifying receivers. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Wireless range 10 m, per Logitech. Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page Specification - Signature M650 — Logitech Support	Logi Bolt USB-A receiver (included) and Bluetooth Low Energy	Bluetooth Low Energy or Logi Bolt USB receiver (included, stored in the mouse)
BatteryDifferent Sources Logitech ERGO M575S Wireless Trackball Receiver rating is up to18months. Bluetooth is18months in the support specification and20months in the product FAQ. · Manufacturer specification · One included user-replaceable AA battery. Connection-specific endurance is recorded separately; Bluetooth claims conflict. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech's ratings; test conditions are not stated. Specification - Signature M650 — Logitech Support	1 × AA (included, user-replaceable)	1 × AA (replaceable, included); up to 24 months with Logi Bolt or 20 months with Bluetooth
Wireless range Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 No source recorded.	10 m	Not provided
Claimed battery life with Bolt receiver Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Up to18months with the Logi Bolt receiver. Actual usage/test protocol not fully stated. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 No source recorded.	18 months	Not provided

Customisation software Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Signature M650 Manufacturer specification · Original exact supported software description: Logi Options+ (Windows 10 or later and macOS 10.15 or later). Support separates software support(Windows10+/macOS10.15+) from deviceOS/platform support; at-release app is Options+ onWindows/macOS. Tune support is not resolved, and these source details do not establish a peer incompatibility. Specification - Signature M650 — Logitech Support	Logi Options+ (Windows and macOS)	Logi Options+

Supported operating systemsDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Current Logitech UK product page requirements (both the Bolt receiver and Bluetooth list Windows 10, 11 or later and macOS 12 or later). Basic functions without additional drivers outside Windows and macOS. The support specification's at-release list gives macOS 10.14 or later (and Windows 10 or later) for the USB receiver, and the same Bluetooth list as the product page. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 Manufacturer specification · Logitech's OS/platform support; Bluetooth use needs macOS 10.15 or later. Logitech says it is Works With Chromebook Certified. Logitech's own sources disagree on minimum versions: the support specification and the UK page's system requirements give iPadOS 13.4 or later and Android 5.0 or later (recorded here), while the UK page's FAQ says it natively supports iPadOS (14 or later), Android (8.0 or later) and Linux. Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support	Windows 10/11+, macOS 12+, Linux, ChromeOS; iPadOS 15+ and Android 12+ over Bluetooth	Windows 10, Windows 11; macOS 10.10 or later; ChromeOS; Linux; Android 5.0 or later; iPadOS 13.4 or later; Works with Surface
Listed packageDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Signature M650 Manufacturer specification · Manufacturer box contents. Check the seller's listing. Specification - Signature M650 — Logitech Support	Trackball; Logi Bolt receiver; 1 × AA battery; documentation	Mouse; Logi Bolt receiver (inside the mouse); 1 AA battery (inside the mouse); user documentation
Click noise Sources Logitech ERGO M575S Wireless Trackball No source recorded. Logitech Signature M650 Manufacturer specification · Logitech rates the silent left/right buttons for 5 million clicks and the silent middle click for 1 million. Logitech's FAQ says its SilentTouch technology reduces more than 90% of the clicking noise compared to Logitech M185; its feature text says SilentTouch reduces 90% of click sounds. No decibel figure is published. Original manufacturer description: Silent left/right clicks and silent middle click. These own claims do not establish a measured noise advantage over another quiet-click mouse. Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support	Not provided	Quiet clicks
Grip surface Sources Logitech ERGO M575S Wireless Trackball No source recorded. Logitech Signature M650 Manufacturer specification Logitech Signature M650 Wireless Mouse — Logitech UK product page Specification - Signature M650 — Logitech Support	Not provided	Soft thumb area and rubber side grips
Materials Sources Logitech ERGO M575S Wireless Trackball No source recorded. Logitech Signature M650 Manufacturer specification · Logitech's UK page data give certified post-consumer recycled (PCR) plastic of 64% for the mouse in Graphite, standard size (910-006253), excluding packaging, printed wiring assembly and receiver; the US page gives the same 64% for Graphite 910-006250. Logitech's support specification instead lists the PCR plastic as "Kingfa35%PCR Or Wistron 85%PCR". Both are reported as published; no single recycled-content percentage is recorded as the value. Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page Specification - Signature M650 — Logitech Support	Not provided	Made with recycled plastic

Show unverified (4)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Maximum report rate Sources Logitech ERGO M575S Wireless Trackball Logitech support lists 125 Hz (8 ms) over the receiver in LO mode and 88–133 Hz over Bluetooth; no single maximum is stated. · Manufacturer specification Logitech Support — Specification - ERGO M575S Logitech Signature M650 Logitech does not list a report rate in Hz for this model. · Manufacturer specification · Logitech gives report intervals rather than rates: 7.5 ms over Logi Bolt and 7.5–11.25 ms over Bluetooth (1 ms is listed for the receiver's USB link). Specification - Signature M650 — Logitech Support	Not listed by the manufacturer	Not provided
Limited hardware warranty Sources Logitech ERGO M575S Wireless Trackball Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech US — ERGO M575S Wireless Trackball product page and technical specifications Logitech Signature M650 Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification Logitech Signature M650 Wireless Mouse — Logitech UK product page Logitech Signature M650 Wireless Mouse — Logitech US product page	Conflicting sources	Conflicting sources
Sensor model Sources Logitech ERGO M575S Wireless Trackball The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification Specification - Signature M650 — Logitech Support	Not listed by the manufacturer	Not listed by the manufacturer
Claimed battery life with Bluetooth Sources Logitech ERGO M575S Wireless Trackball Logitech primary-source Bluetooth endurance claims remain18versus20months. · Manufacturer specification · The support specification says up to18months over Bluetooth; the product FAQ says up to20months over Bluetooth. No reconciliation or matched test protocol is supplied. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Logitech Signature M650 No source recorded.	Conflicting sources	Not provided

FIND YOUR CONTENDERS

More products

Closest mice to this pair by shared key specifications. Not a popularity ranking.

See all 62 mice

Logitech Signature Comfort Plus M850 L

Weight: 107.9 g
Controls: 6 controls
Body length: 121.8 mm

Razer DeathAdder Essential

Weight: 96 g
Controls: 5 controls
Body length: 127.3 mm

Logitech G403 HERO

Weight: 87.3 g
Controls: 6 controls
Body length: 124 mm

ASUS ROG Keris Wireless AimPoint

Weight: 75 g
Controls: 5 controls
Body length: 118 mm