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Genius Ergo 8350S specifications and in-depth review

Genius Ergo 8350S

Manufacturer: Genius

The Genius Ergo 8350S is a productivity-focused wireless mouse designed for right-handed users who need reliable, flexible connectivity in everyday computing environments. Built around a dual-connection setup, it supports both 2.4GHz wireless and Bluetooth 5, giving users the option to switch between devices or connection types with ease. At 81 grams, it sits on the lighter end of the spectrum for its category, and its dimensions — 105 mm in length, 67.3 mm wide, and 58.4 mm thick — suggest a compact, ergonomic form suited to moderate hand sizes.

On the performance side, the Ergo 8350S operates at a polling rate of 125 Hz and offers a DPI range between 1200 and 2400, with on-the-fly switching available via a dedicated DPI button. The mouse features six buttons in total, two of which are positioned on the side, and all six are programmable. Notably, it runs on a removable, non-rechargeable battery rated for an exceptionally long 8760-hour battery life, making it a low-maintenance option for users who prefer not to deal with charging cycles. There is no onboard memory for profile storage, no RGB lighting, and no tilt scroll wheel — keeping the feature set straightforward and focused on practical daily use.

Pros
  • Supports both 2.4GHz wireless and Bluetooth 5, allowing connection flexibility across different devices
  • All 6 buttons are fully programmable, offering meaningful input customization for productivity workflows
  • The removable battery design rated at 8760 hours means extremely infrequent replacements and no dependency on charging infrastructure
  • At 81 grams with compact dimensions, the mouse is lightweight and easy to handle over extended use
  • A dedicated DPI switching button allows quick sensitivity adjustments without navigating software menus
  • The right-handed ergonomic orientation suits the majority of users in typical office and productivity environments
Cons
  • The polling rate is fixed at 125 Hz, which limits input responsiveness compared to higher-rate options in the same category
  • The DPI range tops out at 2400, which may be restrictive for users working on high-resolution displays or requiring finer cursor control
  • No onboard memory profiles means user configurations cannot be stored directly on the device
  • Lacks a profile switching button, making it less convenient to switch between different usage setups on the fly
  • The battery is non-rechargeable, requiring periodic battery purchases and replacements
  • No tilt scroll wheel support limits horizontal scrolling convenience for users who work with wide documents or spreadsheets
Who is this for?

This mouse is well suited to everyday office and productivity users who prioritize long battery life and wireless flexibility. The dual 2.4GHz and Bluetooth 5 connectivity makes it a practical choice for those who switch between multiple devices, such as a laptop and a desktop, without dealing with cables. Its lightweight 81-gram build and right-handed ergonomic shape also make it comfortable for extended work sessions, and the fully programmable buttons add a layer of customization that benefits users with repetitive workflow tasks.

Who is this NOT for?

This mouse is not a good fit for users who demand high input responsiveness, as its 125 Hz polling rate falls short for fast-paced or precision-intensive tasks. The DPI ceiling of 2400 may also prove limiting for those working across large or high-resolution display setups where finer cursor control is essential. Additionally, users who prefer a streamlined, software-free experience with portable configuration storage will find the absence of onboard memory profiles a notable drawback, as settings cannot travel with the device.

Performance:

polling rate 125 Hz
maximum DPI 2400 DPI
minimum DPI 1200 DPI
has adjustable DPI ✓

The Genius Ergo 8350S operates at a polling rate of 125 Hz, reporting its position to the host device 125 times per second. Its sensor supports an adjustable DPI range spanning from 1200 to 2400 DPI, allowing users to tune tracking sensitivity to their preference within that range.

General info:

Type Productivity
connection type 2.4GHz wireless, Bluetooth
onboard memory profiles 0
Bluetooth version 5
has gesture support ✕
Battery life 8760 hours
has a rechargeable battery ✕
has a removable battery ✓

The Genius Ergo 8350S is a productivity-type mouse that connects via 2.4GHz wireless or Bluetooth 5, offering flexibility depending on the user's setup. It does not support gesture input and stores no onboard memory profiles. For power, it relies on a removable, non-rechargeable battery rated for an impressive 8760 hours of battery life, making battery swaps infrequent and eliminating the need for a charging cable.

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 Genius Ergo 8350S features 6 buttons in total, all of which are programmable, giving users full control over how each input is mapped. Two of those buttons are located on the side of the mouse, and a dedicated DPI switching button allows on-the-fly sensitivity adjustments. There is no profile switching button on this model.

Design:

Orientation Right-handed
weight 81 g
has RGB lighting ✕
has a tilting scroll wheel ✕
has a thumb scroll wheel ✕
has extra weights ✕
volume 412.6836 cm³
thickness 58.4 mm
height 105 mm
width 67.3 mm

The Genius Ergo 8350S is designed for right-handed use and weighs 81 grams, with a footprint of 105 mm in height, 67.3 mm in width, and 58.4 mm in thickness, giving it a compact and manageable form. Its volume measures 412.68 cm³. The design is straightforward and unadorned — there is no RGB lighting, no tilting or thumb scroll wheel, and no provision for adding extra weights, keeping the overall aesthetic clean and functional.

Final Verdict

The Genius Ergo 8350S is a focused productivity mouse that delivers where it matters most for its intended audience — reliable wireless connectivity across both 2.4GHz and Bluetooth 5, a lightweight and ergonomic right-handed form, and an exceptionally long-lasting removable battery rated at 8760 hours. Its fully programmable button layout and DPI switching capability add practical value for daily office use. That said, its 125 Hz polling rate and modest DPI ceiling signal that this is not a device built for high-intensity or precision-demanding tasks. For users seeking a no-fuss, low-maintenance wireless mouse tailored to everyday productivity, the Ergo 8350S makes a coherent and well-considered choice within its category.

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