Logitech M705 Marathon Full Size 2.4 GHz Wireless Mouse - Black
The Logitech M705 Marathon is an office-oriented wireless mouse focused on power efficiency and basic ergonomics over high-frequency tracking performance. At $39.99, it pairs a dual-mode scroll wheel with a claimed three-year battery life, targeting standard desktop workflows.
Research review based on an Amazon listing, recorded specifications and captured buyer ratings. Review record from Sep 22, 2026; price, rating and availability last checked Nov 8, 2026. It does not verify every maker claim. Not a hands-on test — see how we review.
Price
$29.99
Checked Nov 8, 2026
Down $10.00 since Sep 22, 2026
Amazon rating
4.5
★★★★★4.5
Ratings
12,375
Best for Dedicated all-day office productivity setups
A full-sized ergonomic productivity mouse built around an asymmetrical palm grip and reliable multi-year battery life. The sculpted thumb rest and weighted scroll wheel suit heavy spreadsheet navigation and daily document handling. It relies on a 2.4GHz USB dongle, meaning you lose the multi-device Bluetooth switching found on pricier office flagships.
What we like
+Sculpted full-size chassis supports palm grips
+Proven long-term battery performance
+Hyper-fast scroll wheel toggles between ratchet modes
What to weigh up
−Lacks Bluetooth support for tablet and phone pairing
Price, rating and availability as read from the listing on Nov 8, 2026; Amazon can change them at any time. We earn a commission on qualifying purchases.
Our scorecard
Research-based assessment
7.9out of 10
Overall
Ergonomics & Comfort8.0
Right-hand sculpted chassis provides comfortable palm support for standard office tasks.
Battery Endurance9.5
Exceptional efficiency yields up to three years from two AA cells.
Sensor Precision6.5
Fixed 1000 DPI laser tracking limits precision on high-resolution displays.
Scroll Mechanism8.5
Dual-mode metal wheel remains practical for long documents and spreadsheets.
The Logitech M705 Marathon relies on an asymmetrical, sculpted right-hand chassis tailored for palm and relaxed claw grips. Its matte plastic shell features an integrated thumb rest, housing two dedicated forward and back buttons along the left flank. The primary mechanical highlight is the metal scroll wheel, which incorporates Logitech's dual-mode mechanism to toggle between ratcheted increments and free-spinning operation. Weighing under standard desktop loads with two AA batteries installed, the shell maintains structural solidity without excessive chassis flex, though the external plastics will develop surface wear with heavy friction over time. The underside houses the battery compartment and a dedicated slot for storing the miniature 2.4 GHz Unifying receiver. Buyers should note that left-handed operation is completely unsupported by this shell contour. While the listed specifications cite Bluetooth alongside USB, the primary hardware implementation centers on the 2.4 GHz RF dongle, requiring an accessible USB-A port for standard plug-and-play desktop deployment.
Tracking and Navigation Performance
In daily workflow, the M705 operates through a laser-grade tracking sensor capped at a fixed sensitivity of 1000 dots per inch. For single-monitor productivity across spreadsheets and text editors, cursor tracking remains consistent over varnished wood and composite desk surfaces where basic optical sensors occasionally skip. However, the 1000 DPI ceiling is restrictive on ultra-wide or high-density 4K displays, requiring wide physical arm movements across the desk surface. Wireless connectivity through the 2.4 GHz Unifying receiver remains stable up to the rated 33-foot perimeter, showing minimal latency during standard data entry and file navigation. The headline feature is power management; the unit delivers up to three years of operation on the two included AA batteries by entering aggressive low-power sleep states between movements. The dual-mode scroll wheel proves legitimately practical for navigating long documents, although users must accept a light mechanical rattle from the wheel assembly when moving the mouse abruptly.
Cost and Longevity Value
Priced at $39.99, the M705 Marathon balances cost against long-term maintenance requirements. Supported by an aggregate rating of 4.5 out of 5 across more than 12,000 consumer reviews, its primary value proposition lies in low operational overhead. Bundling two pre-installed AA batteries that require replacement once every three years effectively eliminates recurring battery costs and cable clutter. Compatibility with the Logitech Unifying ecosystem adds utility, allowing up to six compatible peripherals to occupy a single USB receiver on personal computers running Windows, macOS, or Linux. The five-button layout provides adequate shortcut mapping for office applications without necessitating complex software suites. While it omits rechargeable lithium cells and adjustable DPI stages found on premium productivity pointers, the $39.99 tier reflects an accessible entry point for an ergonomic tool designed to handle uninterrupted business computing across several operating system generations.
Limitations and Alternatives
Users requiring high-precision cursor control should bypass the M705. The static 1000 DPI laser sensor lacks the tracking speed and adjustable polling rates demanded by fast-paced gaming, digital illustration, and precision photo editing. Left-handed users must also pass due to the fixed right-hand ergonomic geometry and thumb-button placement. Furthermore, workstations operating modern ultra-slim laptops that exclusively utilize USB-C ports will require an external adapter for the bundled USB-A Unifying receiver, compromising portability. Those accustomed to silent mechanical microswitches may find the audible click registration distracting in shared environments. Finally, multi-display operators managing high-resolution setups should seek mice offering adjustable sensitivity tiers, as navigating across multiple 4K desktop environments with a 1000 DPI limit induces noticeable physical fatigue. Buyers seeking modern multi-device cross-computer toggles or premium CNC-machined metal inputs will be better served by Logitech's higher-tier MX series.
Specifications
Recorded from the listing
Connectivity Technology
Bluetooth, USB
Compatible Devices
Personal Computer
Battery Average Life
3 years
Power Source
Battery Powered
Additional Features
Hyper Fast Scrolling, Lightweight, Programmable Buttons, Wireless
Movement Detection
Laser
Button Quantity
5
Hand Orientation
Right
Number of Batteries
2 AA batteries required. (included)
Hardware Platform
Linux, Mac, PC
Mouse Maximum Sensitivity
1000 dots_per_inch
Range
33.0 feet
Color
Black
Style Name
M705
What to confirm for this exact model
Potential fit
Dedicated all-day office productivity setups. Confirm that the model and included equipment meet your intended use.
Trade-off to resolve
Lacks Bluetooth support for tablet and phone pairing Check whether this matters for your setup before ordering.
Included equipment and compatibility
Check the exact variant, quantity, dimensions, required accessories and any applicable power or connection requirements. A missing specification is unknown, not proof that a feature is absent.
Ownership and purchase terms
Verify seller, delivered price, return conditions and manufacturer warranty for your location. Check replacement parts and ongoing costs where applicable.
Recorded price history
2 checks · Sep 22, 2026 to Nov 8, 2026
Prices we read from the Amazon listing on each check, for the new item as sold on the listing page. They are snapshots between checks, not a complete price record; offers can change several times a day.
Latest
$29.99
Lowest recorded
$29.99
Nov 8, 2026
Highest recorded
$39.99
Since previous
−$10.00
-25%
Each recorded price check
Checked
Price
Read from
Nov 8, 2026
$29.99
Listing page
Sep 22, 2026
$39.99
Listing import
What the maker claims
—Click more. Scroll more. Do more. Logitech Marathon Mouse M705 uses far less power than comparable wireless mice from other companies. That means you can go up to three full years between battery changes.*
—Hyper-fast scrolling lets you fly through long documents and Web pages with a single spin of a nearly frictionless metal scroll wheel.
—The sculpted, right-hand shape guides your hand to a naturally comfortable position and places customizable control within your reach. Two thumb buttons lets you move quickly between Web pages.
—The tiny Logitech Unifying receiver stays in your laptop. There's no need to unplug it when you move around, so there's less worry of it being broken or lost. And you can easily add compatible wireless mice and keyboards to the same wireless receiver.
—Laser grade tracking delivers smooth, responsive, precise cursor control on surfaces that cause problems for standard optical mice, such as polished or wood-grain tables.***
Where it ranks
Same-type shortlists
Positions among mechanical keyboards & desk accessories listings whose titles confirm the same product type, ordered by editorial score and then buyer rating. Budget positions use the recorded price ($29.99), which can change.
Alternatives are selected by recorded product-type relevance and price proximity. Confirm exact purpose and compatibility; a shared category does not guarantee interchangeability.
A dash means the value was not recorded, not that a feature is absent. Prices and ratings are captured snapshots; editorial scores are research assessments rather than measured performance.
Common questions
How does the hyper-fast scrolling feature operate on the M705?
The metal scroll wheel features a mechanical toggle button directly behind it. Depressing the button shifts the mechanism from click-to-click ratcheted scrolling to a nearly frictionless free-spinning mode, allowing users to rapidly glide through multi-page spreadsheets and lengthy text documents without repeated finger movements.
Can the M705 connect via Bluetooth without the USB receiver?
While technical specifications list Bluetooth, the product primarily connects using the included 2.4 GHz USB Unifying receiver. Buyers should verify their device's specific packaging revision, as most legacy M705 units rely strictly on the USB-A dongle rather than direct low-energy Bluetooth pairing with laptops.
Is the 1000 DPI sensor sensitivity adjustable in software?
No. The tracking sensor is fixed at 1000 dots per inch. While you can adjust Windows or macOS cursor speed via system software settings, the optical laser hardware does not support physical hardware DPI stepping or on-the-fly sensitivity switching common on performance desk accessories.
How is the claimed three-year battery life achieved?
The three-year lifespan relies on two standard AA batteries and automated power conservation firmware. The mouse transitions into low-draw idle modes when stationary. Logitech estimates endurance based on typical office usage of roughly two million keystrokes or clicks per year in standard business environments.
How we judge mechanical keyboards & desk accessories
Rule 01
Gasket mounting and case foam change feel more than switch brand.
Rule 02
Hot-swap sockets keep a board useful after your taste shifts.
Rule 03
Compare keycap material, thickness and finish; wear depends on the formulation and use, not a guaranteed lifespan for PBT or ABS.
Sources and limits
This page summarizes our research reviews of Amazon listings, listed specifications and captured buyer ratings. It is not a hands-on test. Scores are editorial assessments, not measured performance; prices are recorded snapshots and may change. A category can include both main products and accessories, so its overall price range is not the cost of a complete setup.
Most recent product record update: September 22, 2026. Individual records may be older; this is not a verification date for every claim. Prices on this page were read from the listings Nov 8, 2026.
