Skip to content
Greatest Appliances

Best Gaming Mice for Office Use — Top Gaming & Productivity Mice (2026)

This guide compares top gaming mice that double as excellent office peripherals—covering sensors, ergonomics, connectivity, battery life, and programmability so you can pick a mouse that performs in games and stays comfortable through long workdays.

Our 6 picks

Compare them side by side
  1. Logitech G903 Lightspeed Wireless Mouse

    Top pick

    Logitech G903 Lightspeed Wireless Mouse

    A versatile, pro-grade choice for both gaming and productivity, with a balance of precision, runtime, and customization.

    Max DPI
    25,600 dpi
    Connectivity
    Wireless
    Weight
    107 g

    Pros

    • Exceptional tracking accuracy and high DPI range for competitive gaming and precise office work
    • Ultra-responsive LIGHTSPEED wireless with 1 ms report rate
    • Very long battery life reduces downtime between charges

    Cons

    • Higher price point compared with basic office mice
    • POWERPLAY wireless charging sold separately
    Check price on AmazonRead the full review
  2. Logitech G502 Hero Wired Gaming Mouse

    Pick 2

    Logitech G502 Hero Wired Gaming Mouse

    Max DPI
    25,600 dpi
    Connectivity
    Wired
    Programmable Buttons
    11

    Pros

    • Exceptional tracking accuracy and wide DPI range for competitive gaming and precise office work
    • Highly customizable weight and button layout to suit different grip styles and workflows

    Cons

    • Wired design limits mobility compared with wireless alternatives
    Check price on AmazonFull review
  3. Razer Basilisk V3 Gaming Mouse

    Pick 3

    Razer Basilisk V3 Gaming Mouse

    Max DPI
    26,000 dpi
    Connectivity
    Wired
    Programmable Buttons
    11

    Pros

    • High-precision 26K DPI sensor suitable for both gaming and productivity
    • Comfort-first ergonomic shape with thumb rest reduces fatigue during long use

    Cons

    • Right-handed ergonomic shape may not suit left-handed users
    Check price on AmazonFull review
  4. Logitech G PRO 2 Lightspeed Mouse

    Pick 4

    Logitech G PRO 2 Lightspeed Mouse

    Max DPI
    44,000 dpi
    Connectivity
    Wireless
    Programmable Buttons
    4

    Pros

    • Pro-level HERO 2 sensor delivers extreme precision for gaming and detailed office work
    • Ambidextrous and modular — adapts to any grip or handedness

    Cons

    • Premium price point may be high for casual users
    Check price on AmazonFull review
  5. Redragon Wireless Gaming Mouse M901P-KS

    Pick 5

    Redragon Wireless Gaming Mouse M901P-KS

    Max DPI
    16,000 dpi
    Connectivity
    Wireless
    Programmable Buttons
    16

    Pros

    • High sensitivity and configurable DPI/polling for competitive gaming across MMO, MOBA and FPS titles
    • Extensive programmability (16 buttons + 5 profiles) lets you replace complex keyboard combos

    Cons

    • Full button remapping and lighting customization require Redragon software (download needed)
    Check price on AmazonFull review
  6. GravaStar Mercury M2 Wireless Mouse

    Pick 6

    GravaStar Mercury M2 Wireless Mouse

    Max DPI
    26,000 dpi
    Connectivity
    Both
    Programmable Buttons
    5

    Pros

    • Extreme precision and responsiveness with PAW3395 sensor and 26,000 DPI.
    • Very lightweight 79g construction reduces hand fatigue for gaming and office work.

    Cons

    • Hollowed shell can allow dust build-up and may require occasional cleaning.
    Check price on AmazonFull review

Compare the picks

Specs are the manufacturer's or listing's published figures, shown when most picks list them.

Side-by-side comparison of the picks in this guide
PickMax DPIConnectivityProgrammable Buttons

1. Top pick

Logitech G903 Lightspeed Wireless MouseCheck price on Amazon
25,600 dpiWirelessNot listed

2.

Logitech G502 Hero Wired Gaming MouseCheck price on Amazon
25,600 dpiWired11

3.

Razer Basilisk V3 Gaming MouseCheck price on Amazon
26,000 dpiWired11

4.

Logitech G PRO 2 Lightspeed MouseCheck price on Amazon
44,000 dpiWireless4

5.

Redragon Wireless Gaming Mouse M901P-KSCheck price on Amazon
16,000 dpiWireless16

6.

GravaStar Mercury M2 Wireless MouseCheck price on Amazon
26,000 dpiBoth5

Find your gaming mouse

FPS gaming

High-precision sensor with low lift-off distance, 800–1600 DPI sweet spot, and lightweight design for fast aiming movements.

MMO and macro-heavy play

Many programmable side buttons (12+) for spells, macros, and hotbar actions without leaving the mouse.

Office and productivity

Ergonomic right-handed shape, side buttons for navigation shortcuts, comfortable for hours of desk work.

Wireless for a clean desk

Modern 2.4 GHz wireless with near-zero latency and long battery life — no cable drag, no compromise on precision.

Ergonomic for long sessions

Palm-grip or large right-handed body with a thumb rest and comfortable side buttons for reduced fatigue during extended work.

Lightweight design

Sub-100g weight for effortless gliding — popular for competitive FPS and users who dislike heavy mice.

Grip style guide

Grip styleHow you hold the mouseBest forMouse shape
PalmEntire hand and fingers rest flat on the mouse bodyLong office sessions, casual gaming, reduced wrist fatigueLarge, contoured, ergonomic right-handed mice
ClawPalm heel contacts the rear; fingers arch with only tips on buttonsFPS gaming with quick clicks and controlled flick shotsMedium to large mice with a raised back hump
FingertipOnly fingertips touch the mouse; palm floatsPrecise, fast movements; competitive FPS and low-sensitivity playSmall to medium, lightweight, ambidextrous designs

Wired vs wireless gaming mice

Wired

  • No battery to manage — always ready
  • Typically lower cost at equivalent performance
  • Cable can create drag — paracord cables minimize this
  • Simple plug-and-play, no receiver or Bluetooth setup
  • Best for: budget buyers, competitive setups, desks with cable management

Wireless (2.4 GHz)

  • Modern 2.4 GHz wireless (LIGHTSPEED, HyperSpeed) matches wired latency
  • Clean desk, no cable drag, free movement
  • Battery life ranges from 70 to 140+ hours depending on model
  • Some models support wireless charging or charging while in use
  • Best for: clean desk setups, productivity users, esports-quality wireless

Should you buy gaming and work mice?

A good fit if you need

  • FPS and MOBA players who notice input lag — modern wireless gaming mice poll at 1,000Hz+
  • Remote workers with wrist strain; ergonomic and vertical options prevent repetitive stress
  • Anyone switching between work laptop and gaming PC — multi-device Bluetooth pairing saves re-plugging

Look elsewhere if you need

  • Casual browsers — a $15 office mouse clicks the same links as a $150 esports mouse
  • Travel-light commuters; full-size ergonomic shells don't fit slim laptop sleeves

How these picks were chosen

Will Henschell researches each category from manufacturer specifications, retailer listings, owner-feedback patterns and published performance data, then narrows the field of gaming and work mice to a short list with a clear reason for each pick. Picks are labelled as research unless the page includes documented hands-on test notes. No brand pays to be included or ranked.

Will Henschell

Researched and written by

What decided the ranking

  • DPI range and adjustability for precision and sensitivity needs
  • Sensor type: optical vs laser and tracking accuracy
  • Number of buttons and programmability for workflow
  • Weight and weight-tuning options for fatigue reduction
  • Grip style fit: palm, claw, or fingertip ergonomics

Sources reviewed

  • Manufacturer specifications and product pages
  • Retailer listing details and availability
  • Owner feedback patterns
  • Published expert or performance data, when it exists

Testing status

Sourced research. Nothing on this page is presented as hands-on tested unless test notes are shown.

Read the full methodology

The picks in detail

Logitech G903 Lightspeed Wireless Mouse

Pick 1Top pick

Logitech G903 Lightspeed Wireless Mouse

By Logitech. Full listing name: Logitech G903 Lightspeed Wireless Gaming Mouse w/Hero 25K Sensor

The Logitech G903 LIGHTSPEED Wireless Gaming Mouse blends pro-grade performance with versatile ergonomics for both gaming and office workflows. Its HERO 25K sensor offers true 1:1 tracking, up to 25,600 DPI, and over 400 IPS for pixel-perfect accuracy without smoothing, filtering, or acceleration. LIGHTSPEED wireless delivers a 1 ms report rate and rock-solid connectivity while an efficient LiPo system powers up to 140 hours of RGB-enabled use (up to 180 hours with lighting off). Customize lighting and button mapping across 16.8M colors with LIGHTSYNC and G HUB, or add the POWERPLAY wireless charging system to keep the mouse charged during play. Built with metal-spring button tensioning for consistent click feel and an ambidextrous layout that supports left- or right-handed setups, the G903 is ideal for competitive players and professionals who want responsive, reliable control. PVC-free and Plastic Neutral certified, it also supports Logitech’s sustainability efforts.

Pros

  • Exceptional tracking accuracy and high DPI range for competitive gaming and precise office work
  • Ultra-responsive LIGHTSPEED wireless with 1 ms report rate
  • Very long battery life reduces downtime between charges
  • Ambidextrous design and extensive button customization via G HUB
  • POWERPLAY compatibility enables continuous wireless charging (accessory sold separately)
  • Premium build with improved button feel from metal-spring tensioning
  • Environmentally conscious manufacturing (PVC-free, Plastic Neutral)

Cons

  • Higher price point compared with basic office mice
  • POWERPLAY wireless charging sold separately
  • At 107 g (plus optional 10 g), heavier than many ultralight gaming mice
  • Full customization requires installing Logitech G HUB software
  • USB receiver supplied inside or packaged with the mouse (may require locating in packaging)

Published specs

Max DPI
25,600 dpi
Connectivity
Wireless
Weight
107 g
Battery Life
140 hrs
RGB Lighting
Yes

Key features

  • HERO 25K sensor: 1:1 tracking, 100–25,600 DPI, 400+ IPS, zero smoothing/filtering/acceleration
  • LIGHTSPEED wireless: pro-grade 1 ms report rate and reliable low-latency connection
  • Long battery life: up to 140 hours with LIGHTSYNC RGB, up to 180 hours without lighting
  • POWERPLAY compatible: works with Logitech’s wireless charging system (sold separately)
  • Lightsync RGB
  • Advanced Button Technology: metal-spring button tensioning for consistent clicks
  • Ambidextrous design: configurable layout for left- or right-handed use, programmable buttons
  • Adjustable weight: 107 g base weight with an optional 10 g weight
Check price on Amazon
Logitech G502 Hero Wired Gaming Mouse

Pick 2

Logitech G502 Hero Wired Gaming Mouse

By Logitech. Full listing name: Logitech G502 Hero High Performance Wired Gaming Mouse

The Logitech G502 HERO delivers pro-grade tracking and deep customization for gamers and office users alike. Upgradable to the HERO 25K sensor via Logitech G HUB, it offers up to 25,600 DPI with 1:1 tracking, ensuring pixel-perfect cursor control without smoothing, filtering, or acceleration. Configure balance with up to five removable weights, assign macros and commands to 11 programmable buttons, and save profiles to onboard memory for instant access across PCs and Macs. With durable mechanical switch tensioning and full RGB Lightsync customization, the G502 HERO pairs tournament-ready performance with versatile ergonomics for long sessions.

Pros

  • Exceptional tracking accuracy and wide DPI range for competitive gaming and precise office work
  • Highly customizable weight and button layout to suit different grip styles and workflows
  • Onboard memory makes profiles portable without relying on software
  • Durable mechanical components designed for long click life and reliable performance
  • RGB lighting and Lightsync add visual customization and ecosystem syncing

Cons

  • Wired design limits mobility compared with wireless alternatives
  • HERO 25K performance requires a free G HUB software update
  • May feel heavy for users who prefer ultra-light mice without added weights
  • Advanced customization and multiple buttons have a learning curve for new users

Published specs

Max DPI
25,600 dpi
Connectivity
Wired
Programmable Buttons
11
RGB Lighting
Yes

Key features

  • HERO 25K sensor (upgrade via Logitech G HUB): true 1:1 tracking, 100–25,600 DPI, 400+ IPS with no smoothing, filtering, or acceleration
  • Adjustable weight system: up to five removable 3.6 g weights for personalized balance and feel
  • Mechanical switch button tensioning: metal spring tensioning and pivot hinges for crisp, responsive clicks
  • 11 customizable buttons with onboard memory: assign macros and save up to five profiles directly to the mouse
  • Programmable RGB and Lightsync: customize lighting across nearly 16.8 million colors and sync with other Logitech G devices
  • Wired connectivity for consistent low-latency performance on PC and Mac
Check price on Amazon
Razer Basilisk V3 Gaming Mouse

Pick 3

Razer Basilisk V3 Gaming Mouse

By Razer. Full listing name: Razer Basilisk V3 Customizable Ergonomic Gaming Mouse: Fastest Gaming Mouse

Razer Basilisk V3 Customizable Ergonomic Gaming Mouse — Classic Black. this Razer gaming mouse delivers pro-level responsiveness with a 26K DPI Focus+ optical sensor, Optical Mouse Switches Gen 2 for 0.2ms actuation, and a HyperScroll tilt wheel for fast content navigation. Its iconic ergonomic shape with a thumb rest and 11 programmable buttons makes it ideal for gamers who also need precise control for office tasks. Customize lighting with 11 Razer Chroma RGB zones and tailor controls via Razer Synapse for seamless performance.

Pros

  • High-precision 26K DPI sensor suitable for both gaming and productivity
  • Comfort-first ergonomic shape with thumb rest reduces fatigue during long use
  • Extensive customization: 11 programmable buttons and advanced Synapse configuration
  • Fast, reliable Optical Mouse Switches with long lifespan and ultra-low actuation
  • HyperScroll wheel speeds through long documents and enables precise scrolling when needed
  • Vibrant Chroma RGB for personalization and dynamic in-game lighting effects

Cons

  • Right-handed ergonomic shape may not suit left-handed users
  • Full customization and optimization require Razer Synapse software
  • Advanced gaming features (26K DPI, RGB) may be unnecessary for basic office-only users

Published specs

Max DPI
26,000 dpi
Connectivity
Wired
Programmable Buttons
11
RGB Lighting
Yes

Key features

  • Iconic ergonomic right-handed design with thumb rest for extended comfort
  • 11 programmable buttons to assign macros, push-to-talk, pings and shortcuts
  • HyperScroll tilt wheel that free-spins for fast scrolling or switches to tactile mode for precision
  • 11 customizable Razer Chroma RGB lighting zones with 16.8 million colors and game integrations
  • Optical Mouse Switches Gen 2: 0.2ms actuation speed, up to 70 million clicks, reduced misclicks
  • Focus+ 26K DPI optical sensor for zero-smoothing tracking and pixel-precise accuracy
  • Optimizable performance via Razer Synapse and Windows pointer settings
  • Great crossover for gaming and office use—responsive controls with ergonomic support
Check price on Amazon
Logitech G PRO 2 Lightspeed Mouse

Pick 4

Logitech G PRO 2 Lightspeed Mouse

By Logitech. Full listing name: Logitech G PRO 2 Lightspeed Wireless Gaming Mouse

Logitech G PRO 2 LIGHTSPEED Wireless Gaming Mouse. Built for pros and adaptable for office setups, this ambidextrous, right- or left-handed mouse features the HERO 2 sensor with up to 44,000 DPI for pinpoint tracking, LIGHTSPEED wireless for tournament-grade responsiveness, and programmable, magnetic side buttons for fast customization. Durable LIGHTFORCE optical-mechanical switches deliver reliable, satisfying clicks while up to 95 hours of battery life and USB‑C charging keep you focused longer. Customize sensitivity, buttons, and profiles with Logitech G HUB for a tailored experience on PC and Mac.

Pros

  • Pro-level HERO 2 sensor delivers extreme precision for gaming and detailed office work
  • Ambidextrous and modular — adapts to any grip or handedness
  • High battery life plus USB‑C charging minimizes downtime
  • Customizable magnetic side buttons offer flexible workflows and in-game controls
  • LIGHTFORCE switches combine optical speed with mechanical feel for a satisfying click experience
  • LIGHTSPEED wireless ensures responsive, tournament-grade performance

Cons

  • Premium price point may be high for casual users
  • Advanced features (customization and some sensor tuning) require Logitech G HUB software
  • 8 kHz PRO LIGHTSPEED receiver sold separately to achieve highest polling rate
  • Actual battery life may vary depending on usage and settings

Published specs

Max DPI
44,000 dpi
Connectivity
Wireless
Programmable Buttons
4
Battery Life
95 hrs
RGB Lighting
No

Key features

  • HERO 2 sensor: up to 44,000 DPI, 888+ IPS tracking, and 88 g acceleration for champion-level precision
  • LIGHTSPEED wireless: tournament-grade responsiveness and reliable low-latency performance
  • Ambidextrous, modular design: usable right- or left-handed with switchable magnetic side buttons for full customization
  • LIGHTFORCE optical-mechanical switches for rapid, reliable clicks and long-lasting durability
  • Up to 95-hour battery life and USB‑C fast charging for extended sessions
  • 8 kHz polling rate available with PRO LIGHTSPEED receiver (sold separately) for ultra-high polling performance
  • Fully customizable via Logitech G HUB: DPI, button mapping, macros, and profiles
  • USB receiver provided inside or along with the mouse for plug-and-play wireless connectivity
Check price on Amazon
Redragon Wireless Gaming Mouse M901P-KS

Pick 5

Redragon Wireless Gaming Mouse M901P-KS

By Redragon.

Redragon M901P-KS Wireless Gaming Mouse. This rechargeable MMO gaming mouse offers adjustable 100–16,000 DPI, 125–1000Hz polling rates and 40G acceleration for ultra-responsive tracking. Customize 16 macro-programmable buttons, save up to 5 memory profiles and switch modes with one click. 16.8M RGB colors, 12 side buttons, and an ergonomic, skin-friendly build make it suitable for intense gaming sessions or productive office use. Full customization available via Redragon software (download on Redragon).

Pros

  • High sensitivity and configurable DPI/polling for competitive gaming across MMO, MOBA and FPS titles
  • Extensive programmability (16 buttons + 5 profiles) lets you replace complex keyboard combos
  • Long battery life with 1000mAh rechargeable battery and wired use while charging
  • Customizable RGB lighting with millions of color combinations for personalization
  • Ergonomic design reduces fatigue during extended play or work sessions
  • Affordable price point for a feature-rich gaming mouse

Cons

  • Full button remapping and lighting customization require Redragon software (download needed)
  • Battery runtime will be shorter when RGB lighting is enabled
  • Dense side-button layout may require a learning curve for some users

Published specs

Max DPI
16,000 dpi
Connectivity
Wireless
Programmable Buttons
16
Battery Life
70 hrs
RGB Lighting
Yes

Key features

  • Up to 16,000 DPI with adjustable steps (100–16,000) and 125–1000Hz polling rate for precise tracking
  • 16 macro-programmable buttons, including 12 side buttons, with 5 on-board memory profiles
  • 40G acceleration for faster, more responsive in-game movements
  • Wireless and rechargeable design with built-in 1000mAh battery — up to 70 hours runtime (RGB off) and usable while charging
  • 16.8 million RGB color combinations and 4 lighting modes, adjustable via Redragon software
  • Ergonomic, skin-friendly construction for long gaming or office sessions
  • Two working modes that can be switched with one click to suit different scenarios
Check price on Amazon
GravaStar Mercury M2 Wireless Mouse

Pick 6

GravaStar Mercury M2 Wireless Mouse

By ZhuoYe ChuangYi Co., Ltd.. Full listing name: GravaStar Mercury M2 Wireless Gaming Mouse PAW3395DM

The GravaStar Mercury M2 from ZhuoYe ChuangYi Co., Ltd. is a 79g, hollowed-out wireless gaming mouse built for speed, accuracy and style. Powered by the PAW3395 sensor with up to 26,000 DPI and a 1K Hz polling rate, the M2 delivers crisp tracking for fast-paced play and precise office workflows. TUROSPEED multi-mode connectivity (2.4 GHz, Bluetooth, wired) ensures low-latency responsiveness or versatile multi-device pairing, while long battery life keeps you powered through marathon sessions. Five programmable buttons and intuitive software let you assign macros, DPI stages and custom lighting, and five dynamic GLOWSYNC RGB modes let you tailor the aesthetic to your setup. Finished in transparent black, the M2 blends futuristic design with practical airflow from its hollowed shell — a standout choice for gamers and professionals seeking performance and personality.

Pros

  • Extreme precision and responsiveness with PAW3395 sensor and 26,000 DPI.
  • Very lightweight 79g construction reduces hand fatigue for gaming and office work.
  • Versatile connectivity options (2.4G, Bluetooth, wired) for gamers and multi-device users.
  • Strong customization via 5 programmable buttons and dynamic RGB lighting modes.
  • Distinctive hollowed transparent design provides style and improved airflow.

Cons

  • Hollowed shell can allow dust build-up and may require occasional cleaning.
  • Advanced customization requires companion software, which may have variable OS compatibility.
  • Premium features come at a mid-range price point compared with basic office mice.

Published specs

Max DPI
26,000 dpi
Connectivity
Both
Programmable Buttons
5
Weight
79 g
RGB Lighting
Yes

Key features

  • Elite tracking: PAW3395 sensor with up to 26,000 DPI and 1K Hz polling rate for ultra-precise cursor control.
  • Lightweight, ventilated shell: 79g hollowed-out design reduces fatigue and improves airflow during long sessions.
  • Multi-mode connectivity: TUROSPEED supports 2.4 GHz wireless, Bluetooth and wired USB for flexible low-latency or multi-device use.
  • Customizable RGB: Five dynamic GLOWSYNC lighting modes and software profiles to sync and personalize effects.
  • Programmable control: Five configurable buttons plus software-driven macros and DPI stage adjustments.
  • Ergonomic, modern look: Transparent black finish pairs futuristic aesthetics with practical grip and airflow.
  • Long battery life: Optimized power management for extended wireless use (actual runtime varies by settings).
Check price on Amazon

Understanding DPI and polling rate

DPI (dots per inch)

DPI controls how far the cursor travels per inch of mouse movement. Higher DPI = faster cursor; lower DPI = more precise control. Most gaming sensors support a wide range — what matters more is sensor accuracy (no smoothing, filtering, or acceleration at your chosen setting).

  • 400–800 DPI — FPS gaming, precise aiming on standard monitors
  • 800–1600 DPI — Office work, general gaming, multi-monitor use
  • 2000+ DPI — Large displays, fast-paced movement, personal preference

Polling rate (Hz)

Polling rate is how often the mouse reports its position to your computer per second. Higher polling = lower latency between movement and cursor update.

  • 125 Hz — Standard; 8 ms report interval; fine for office use
  • 500 Hz — Mid-range gaming; 2 ms interval
  • 1000 Hz — Standard gaming target; 1 ms interval
  • 4000+ Hz — High-end competitive mice; requires driver support

Gaming and work mice FAQ

How do I choose between wired and wireless for mixed gaming and office use?

Wired gives the simplest low-latency setup and no charging to manage. Modern wireless mice (using 2.4 GHz USB receivers like Logitech LIGHTSPEED) match wired latency in practice and add desk freedom. Choose wireless if battery life and cable-less setup matter; choose wired if you want a guaranteed always-on connection with no battery upkeep.

What DPI setting is right for gaming and for office work?

Higher DPI means the cursor moves farther per inch of mouse movement. For office work on a standard monitor, 800–1600 DPI is a comfortable range. FPS gamers often prefer lower DPI (400–800) for precise aiming. MMO and productivity users may prefer higher DPI settings for fast cursor travel across large or multiple screens. Raw DPI does not equal accuracy — sensor quality matters more.

What is polling rate and does it matter?

Polling rate is how often the mouse reports its position to your computer per second. 125 Hz means 125 reports per second; 1000 Hz means 1000. For gaming, 1000 Hz reduces perceived input lag. For office use, 125–500 Hz is fine. Higher polling rates (4000 Hz and above) exist on some gaming mice but require compatible drivers and software to see a difference.

Which grip style should I use for long work sessions?

Palm grip means your entire hand rests on the mouse — comfortable for long sessions and suited to larger hands. Claw grip means your fingers arch and only your palm heel touches — common for FPS gaming. Fingertip grip means only your fingertips contact the mouse — fast movement with less fatigue. For long office days, a palm-grip ergonomic mouse is typically the most comfortable.

How many programmable buttons do I actually need?

For general office use and light gaming, 5–7 buttons (including side buttons) is enough. MMO players who use many macros may want 12 or more buttons. Productivity users benefit from side buttons mapped to browser back/forward, undo, copy/paste, or Expose/Mission Control. Consider whether your chosen software lets you assign macros to each button.

Do I need companion software and is it required day-to-day?

Companion software (Logitech G HUB, Razer Synapse) unlocks DPI step customization, macros, RGB, and onboard profile saving. Many mice work fine out of the box without software installed — default settings apply. Some mice store profiles on-board, so your customization travels with the mouse even on computers without the software. Advanced users benefit most from installing the companion app.