Logitech Marathon Mouse M705 Wireless Mouse - 3-Year Battery Life

In this review the Logitech Marathon Mouse M705 is evaluated as a practical, long-lived wireless mouse aimed at users who value comfort and worry-free battery life. The single biggest reason to buy is its exceptional power efficiency: Logitech claims up to three years of battery life from one AA set, which transforms a wireless mouse from a recurring chore into a set-and-forget accessory. The reviewer found the sculpted, right-hand shape comfortable for extended use and appreciated the small Unifying receiver that can remain in a laptop without getting in the way.

Key Features

• Long battery life: Up to three years of operation from one set of AA batteries cuts down on replacements and interruptions to work.
• Sculpted ergonomic shape: The right-hand design guides the hand into a natural position for comfortable daily use during long sessions.
• Logitech Unifying receiver: The tiny receiver stays in a notebook and reduces the risk of losing the dongle while keeping a stable wireless connection.
• Hyper-fast scrolling: Fast, free-spinning scroll capability makes navigating long documents and web pages quicker and less repetitive.
• Laser tracking: Laser sensor provides smooth, responsive pointer control on many surfaces that can trouble basic optical mice.

Who It's For

The M705 is best for office workers, students, and mobile professionals who want a comfortable right-handed mouse with minimal maintenance. If you spend long hours editing documents, browsing large spreadsheets, or working across multiple web pages, the combined long battery life and hyper-fast scrolling are particularly valuable.

Users who need ambidextrous design, gaming-grade high-DPI sensors, or the latest low-latency wireless tech should look elsewhere. The M705 is focused on everyday productivity rather than competitive gaming or specialized creative workflows that require ultra-high tracking performance.

Pros & Cons

Pros

• Outstanding battery efficiency gives up to three years of use from one set of AA batteries, reducing waste and cost.
• Comfortable sculpted shape with integrated thumb buttons for common navigation tasks during long sessions.
• Tiny Unifying receiver stays in a laptop and provides simple plug-and-play convenience.
• Hyper-fast scrolling saves time when moving through long documents and web pages.

Cons

• The mouse is right-handed only, so it is not suitable for left-handed users.
• As a discontinued model, ongoing manufacturer support and replacement parts may be limited.

Specifications

Our Verdict

The Logitech Marathon Mouse M705 is a smart choice for users who prioritize comfort and extremely long battery life over bleeding-edge specs. It delivers dependable daily performance, ergonomic comfort, and tangibly reduced maintenance, making it good value for office and mobile use; however, left-handed users and those needing gaming-level responsiveness should consider alternatives.

Frequently Asked Questions

How long does the battery actually last?
Logitech rates the M705 at up to three years on one set of AA batteries, which in normal office use translates to minimal battery replacements.

Will the Unifying receiver stay paired to other devices?
The tiny Unifying receiver is designed to remain paired with the mouse and fit in a laptop without blocking ports; it supports simple plug-and-play pairing with compatible Logitech devices.

Is this mouse suitable for gaming?
The M705 is optimized for everyday productivity with comfortable ergonomics and laser tracking, but it is not a gaming-specific mouse and lacks features like ultra-high DPI settings and low-latency wireless tuned for competitive play.