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Acer OMR266 specifications and in-depth review

Acer OMR266

Manufacturer: Acer

The Acer OMR266 is a wireless productivity mouse designed for right-handed users who need a straightforward, no-frills pointing device for everyday computing tasks. Built around a 2.4GHz wireless connection, it offers cable-free convenience in a compact, lightweight form factor weighing just 85 grams. With dimensions of 134 mm in height, 83 mm in width, and 52 mm in thickness, it fits comfortably within a familiar mouse profile without unnecessary bulk.

On the technical side, the OMR266 uses an optical sensor with a maximum sensitivity of 1600 DPI and a minimum of 800 DPI, with adjustable DPI settings toggled via a dedicated switching button. It features six buttons in total, including two side buttons and six programmable inputs, though it lacks a profile switching button and carries no onboard memory profiles. The mouse runs on a removable — though non-rechargeable — battery rated for up to 12 hours of use, and its clean design omits RGB lighting, a tilting scroll wheel, and extra weights.

Pros
  • All 6 buttons are programmable, offering full customization of the entire button layout
  • Includes a dedicated DPI switching button for quick sensitivity adjustments during use
  • The removable battery makes replacement straightforward without needing a charging cable or dock
  • At 85 g, the mouse is lightweight enough for extended use without added physical strain
  • Right-handed ergonomic orientation provides a purposeful shape for the intended user group
Cons
  • Battery life is rated at only 12 hours, which may require frequent battery changes during heavy use
  • The battery is not rechargeable, meaning disposable batteries must be sourced and replaced regularly
  • DPI range tops out at 1600, which is limited for users who work on high-resolution displays or need finer cursor control
  • The 125 Hz polling rate is low by current standards, resulting in less frequent position updates sent to the system
  • No onboard memory profiles are available, so custom button configurations cannot be stored on the mouse itself
  • The design is strictly right-handed, making it unsuitable for left-handed users
Who is this for?

This mouse is a practical fit for right-handed users engaged in everyday productivity tasks such as document editing, web browsing, or general office work, where a modest DPI range and standard polling rate are entirely sufficient. The fully programmable 6-button layout, including side buttons and a DPI switching button, offers enough flexibility for users who want to streamline repetitive workflows without needing complex software profiles. Its lightweight 85 g build and wireless 2.4GHz connection also make it a reasonable choice for those who prefer a cable-free, low-clutter desk setup in a stationary work environment.

Who is this NOT for?

Users who rely on precise, high-sensitivity tracking — such as graphic designers working on detailed visual projects or anyone using a high-resolution display — will find the 1600 DPI ceiling restrictive. The 125 Hz polling rate is also inadequate for fast-paced or reaction-sensitive tasks, making this mouse a poor match for gaming or any workflow demanding rapid, accurate cursor response. Additionally, left-handed users are excluded entirely by the right-handed-only orientation, and those who need persistent custom profiles across multiple devices will be hindered by the complete absence of onboard memory.

Performance:

polling rate 125 Hz
maximum DPI 1600 DPI
minimum DPI 800 DPI
has adjustable DPI ✓

The Acer OMR266 operates at a polling rate of 125 Hz, meaning it reports its position to the host system 125 times per second. Its optical sensor covers a DPI range of 800 to 1600, and the mouse supports adjustable DPI, allowing users to switch between sensitivity levels as needed within that range.

General info:

Type Productivity
connection type 2.4GHz wireless
sensor Optical Sensor
onboard memory profiles 0
has gesture support ✕
Battery life 12 hours
has a rechargeable battery ✕
has a removable battery ✓

The Acer OMR266 is a productivity mouse that connects via 2.4GHz wireless and uses an optical sensor for tracking. It runs on a removable battery with a rated life of 12 hours, though the battery is not rechargeable. The mouse stores no onboard memory profiles and does not support gesture input.

Buttons:

number of buttons 6
number of side buttons 2
number of programmable buttons 6
has a DPI switching button ✓
has a profile switching button ✕

The Acer OMR266 features 6 buttons in total, all of which are programmable, giving users full control over button assignments. Two of these are side buttons, and a dedicated DPI switching button is included for on-the-fly sensitivity adjustments. There is no profile switching button on this mouse.

Design:

Orientation Right-handed
weight 85 g
has RGB lighting ✕
has a tilting scroll wheel ✕
has a thumb scroll wheel ✕
has extra weights ✕
volume 578.344 cm³
thickness 52 mm
height 134 mm
width 83 mm

The Acer OMR266 is shaped for right-handed use and has a weight of 85 g, with physical dimensions of 134 mm in height, 83 mm in width, and 52 mm in thickness, giving it a volume of 578.344 cm³. The design is straightforward — there is no RGB lighting, no tilting or thumb scroll wheel, and no provision for extra weights.

Final Verdict

The Acer OMR266 is a no-frills wireless productivity mouse that delivers on its core purpose — providing a clean, cable-free experience for right-handed users in everyday computing environments. Its fully programmable 6-button layout and lightweight 85 g build make it a practical tool for standard office workflows, though its 125 Hz polling rate, 1600 DPI ceiling, and non-rechargeable battery place clear boundaries on its versatility. Users who stay within those boundaries — focusing on document work, general navigation, and routine desktop tasks — will find it a functional and uncomplicated option, while those with more demanding performance needs will quickly outgrow what this mouse is designed to offer.

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