UNLOCK YOUR INNER QI
The MM831 has all the features you need and love in a gaming mouse, plus truly cord-free, lag-free connectivity. It features all the hallmarks of a legit mouse: pro-grade internals, thoughtfully ergonomic design, RGB lighting, and durable construction. But the addition of hybrid wireless connectivity plus Qi-compatible charging equals truly wireless fragging functionality. The MM831 doesn't just stand on its own -- it stands out from the rest of the pack.
PRECISION SENSOR FOR RIDICULOUS ACCURACY
The MM831 is outfitted with an optical sensor that can track as high as 16,000 DPI. That means no lag, no stutter, and no fighting with your mouse in the thick of it. And in case you need to favor pinpoint precision over speed, the DPI is instantly adjustable, giving you the ability to make real-time adjustments based on playstyle, class, and type of game.
HYBRID WIRELESS LETS YOU CHOOSE YOUR PATH TO VICTORY
The MM831 is built for cordcutters and stubborn traditionalists alike. Operate the mouse in legacy wired mode, or ditch the cord for two types of wireless functionality: lag-free 2.4GHz wireless or state-of-the-art Bluetooth connectivity.
DITCH THE CHARGING CABLE WITH QI CHARGING
There's no need for that charging cable anymore: wireless charging enables the MM831 to refuel its juice simply by placing it on a Qi-compatible charging pad device. Welcome to the world of tomorrow!
THE DEFINITION OF RUGGED
We're setting a new standard for durability with top cover and left and right click buttons composed of PBT material for maximum protection against wear and tear, while the buttons are equipped with OMRON switches for unparalleled longevity.
ERGONOMIC DESIGN MADE FOR RIGHT-HANDERS
Be comfortable, and stay comfortable, with a sleek ergonomic design with rubber padding to keep you practicing your APMs all night long.
TAKE CONTROL WITH A PRECISION WHEEL
Adjust everything from volume settings to LED effects to DPI all from one wheel - even settings on other connected Cooler Master devices!
ILLUMINATE YOUR VICTORIES
The MM831 is outfitted with customizable 4-zone LED lighting capable of full 16.7 million RGB illumination via the MasterPlus software.
We have a 14-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at . If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.