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Sony - INZONE Mouse-A Ultra-Lightweight Optical Switch Wireless 8K Gaming Mouse - Wireless - Black

Rating 4.7 out of 5 stars with 19 reviews

$129.99
The price was $149.99

Sony - INZONE Mouse-A Ultra-Lightweight Optical Switch Wireless 8K Gaming Mouse - Wireless - Black

Model: MSEG500/B
SKU: 6641386
$129.99
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The comparable value is $149.99
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Specifications
  • Connection Type
    Wireless
  • Key Specs
    • Connection Type: Wireless
  • General
    • Brand: Sony
    • Model Number: MSEG500/B
    • Product Name: INZONE Mouse-A Ultra-Lightweight Optical Switch Wireless 8K Gaming Mouse
    • Color: Black
  • Features
    • Mouse Type: Gaming
  • Performance
    • Tracking Method: Optical (There are several types of computer mice, optical and laser being among the most common. Optical mice detect less detail and provide more precise and accurate movement. Laser mice detect more detail and can be used on a wider variety of surfaces, but are more sensitive to small movements.)
  • Connectivity
    • Connection Type: Wireless
    • Wireless Connectivity: Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
    • Operating System Compatibility: Android, Apple iOS
  • Dimensions
    • Product Height: 1.61 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Length: 4.72 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
    • Product Width: 2.53 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Weight: 48.4 grams (The out of box weight of the item.)
  • Warranty
    • Warranty - Parts: 1 year
    • Warranty - Labor: 1 year
  • Other
    • UPC: 027242933255

At just 48.4g (approx.), INZONE Mouse-A delivers pro-level speed and control without compromise. Built with Fnatic, it features the custom 3950IZ sensor, optical switches, and 8000Hz polling for ultra-low-latency action. Add in long battery life, wireless freedom, and an esports-optimized fit—it’s every edge, engineered.

  • 48.4g. Optimized lightweight. Refined with Fnatic pros.: Refined to 48.4g (approx.) based on pro feedback, INZONE Mouse-A helps reduce fatigue and sharpen control over extended play. Its polyamide frame, engineered with hollow glass microspheres to reduce weight, delivers a stable feel with minimal flex.
  • Form for the grip of the game: Shaped with the insight of Fnatic’s elite players, INZONE Mouse-A is built for optimal control and stability. Its contoured design supports high-speed maneuvers and repeat clicks, empowering focused play and minimal strain across competitive sessions.
  • 3950IZ sensor. Fast, precise, relentless.: Our custom 3950IZ sensor delivers up to 30,000 dots-per-inch (DPI) of tracking resolution, dramatic linear accelerations with up to 70G of force, and 750 inches-per-second (IPS) imaging for wide sweeps and pinpoint accuracy even at elite-level speeds.
  • 8000Hz polling for ultra-fast input response: INZONE Mouse-A supports custom polling from 500 to 8000Hz, communicating via its USB dongle for stable, low-latency performance. High-speed transmission reduces input lag and enables sharper tracking—fine-tuned for peak control in competitive play.
  • Stable 8000Hz performance with INZONE tuning: The 3950IZ sensor delivers steadier 8000Hz polling over time, unlike other leading competitors—such as X and Y in the comparison table—which show sharp drops mid-game. INZONE holds strong, session after session.
  • Light-speed clicks with optical switch: The optical switch reacts on light, not friction—delivering faster input and smoother keystrokes. Built for long-term reliability, it offers precise, consistent control from the first press to the final round.
  • Wheel: Designed with Fnatic pros, the scroll wheel delivers tactile feedback on every notch, so you feel each scroll and stay in rhythm with play.
  • Side button: Built with a reinforced design, the side button resists unwanted flex, staying solid under pressure even with firm clicks.
  • Back button: The back button toggles power with a long press, or cycles through up to four customisable profiles. Versatile control, all in one.
  • Fast-charging, up to 90-hour battery life: Please update battery life bullet to say: With up to 90 hours of use and a 5-minute quick charge delivers up to an extra 10 hours for play, the INZONE Mouse-A keeps you in the game longer
  • Fine-tune with the INZONE Hub: The INZONE Hub puts full customization at your fingertips. Adjust DPI, polling rate, button functions, and more—then save it all to game-specific profiles for quick access. Available in both software and web versions.
Whats Included
  • Mouse
  • Mouse feet
  • USB-C
  • Wireless dongle
  • Warranty
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Pros for Sony - INZONE Mouse-A Ultra-Lightweight Optical Switch Wireless 8K Gaming Mouse - Wireless - Black
Weight, Battery Life, Build Quality, Sensor Performance, CustomizationWeight, Overall Performance, Battery Life, Ergonomics, Glide SmoothnessThere were no pros for this productOverall Performance, Weight, Grip

Specs

Reviews

Customers are saying

Customers admire the INZONE Mouse-A for its lightweight design, excellent battery life, and great build quality. Users also appreciate the smooth and accurate sensor performance, ease of customization, and high polling rate. The mouse's ergonomics are well-received for comfortable long-term use, along with its wonderful connectivity and signal power, and its precision.

This summary was generated by AI based on customer reviews.

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Sony's INZONE Mouse-A delivers a WIN!

    This Sony INZONE Mouse-A Ultra-Lightweight Optical Switch Wireless 8K Gaming Mouse is so light at approx. 48.4g, that it's almost unbelievable. I have never used a mouse that was this lightweight before. As one would think, it can be moved incredibly quickly. I won't bore you with the specifications, but the sensor on this mouse leads to amazing resolution and tracking speed and that leads to incredible precision. Precision is what matters to me. The resolution DPI, polling rate and the super easy to click 5 mouse buttons, including the scroll button, can all be customized with the use of Sony's INZONE Hub software. Adjustments are made either via their PC app or the web and you can save up to 4 profiles. The mouse comes with a dongle and a USB-C to USB-A cable that is used to connect the dongle to your PC and it is also used to charge the mouse. This type of dongle is a change for me because instead of just popping it into a USB slot and forgetting about it, it is a small type of fob that needs to remain plugged into your PC and near your mouse in order for the mouse to work. It also comes with an extra set of "feet" for the bottom of the mouse that aid in the smoothness of the travel and a couple of INZONE stickers. Sony claims this mouse provides 90 hours of wireless use after fully charging and with a quick 5-10 minute charge, it provides 10 hours of play. If you prefer to play wired, you can use a USB-C connection. Wired play reduces the latency to zero, but I'd rather use it wirelessly. Using the INZONE Hub app, I am able to check the remaining charge. The design of the Sony Mouse-A was conceived with the help of top game players from Fnatic, and they know what they need and want to win. My only issue with the shape of the mouse is that it is a tad too large for my hand and I find it difficult to reach the forward side button. Otherwise, I am loving it. The ease of use, the speed and the accuracy are absolutely fantastic. Overall, I am thrilled with this Sony INZONE Mouse-A Ultra-Lightweight Optical Switch Wireless 8K Gaming Mouse. I actually feel that the super light weight of this mouse enables longer play time. My hand doesn't get tired as quickly as it did before getting this. I am thoroughly enjoying this mouse - it's light weight, provides a way for me to customize it to my personal play style, and it is speedy and extremely accurate. I do wish it would also come in a slightly smaller size, but that is my only complaint! This is an unbelievable mouse and I highly recommend it!

    BBReviewer Posted

  • Rated 5 out of 5 stars

    Super lightweight yet solid and precise

    I have been using the Sony INZONE Mouse-A for almost a week now and it is quite impressive. First thing you’ll notice is how light it is at just over 48 grams or 1.7 ounces. For some devices you could associate light-weight for cheaply built but that is NOT the case for this Sony mouse. It is solidly built of the highest quality materials with a polyamide frame and it performs equally as solid. It glides ever so smoothly on any surface and it even comes with a spare set of glides. In terms of size, it’s probably most comfortable for medium to large hands which worked great for me. The high-end hardware components used in this mouse make it great for hard core gamers, thanks to the Sony 3950IZ sensor capable of 30,000 DPI resolution and 70G acceleration. The 8,000Hz polling rate enables nearly instant response time giving gamers an unprecedented advantage. I would also add, this mouse is also great for CAD and graphics design apps, thanks to its super-high resolution and pixel-perfect precision. I used it for some detailed architectural drawings and it was amazingly accurate. Installation was a breeze. I first used it with the USB-A to USB-C cable provided to charge its built-in long life lithium battery. Once it was fully charged, I used the same USB cable to connect the 2.4 GHz wireless dongle it came with. If you want to take advantage of all the advanced customization settings, you will have to install the Sony INZONE Hub PC software or very conveniently use the INZONE Hub for Web version which works just as well. All buttons functions can be customized in addition to the Sensitivity DPI, Polling Rate and Lift-off distance. Unlike any other mouse I’ve ever used before, the SONY INZONE Mouse-A has 4 profiles you can save different settings for and those settings will actually be saved in the mouse’s memory to seamlessly carry over with your mouse to multiple devices. I am now using this mouse all day on my work computer and after hours and on weekends on my gaming desktop and would highly recommend it to those who can afford it, since it is quite pricey for a mouse, but once again this is no ordinary mouse.

    SUHD Posted

  • Rated 5 out of 5 stars

    Light, comfortable and adjustable

    This is one of the lightest mouses I have every used, the curve is great for long use. I do wish it was a bit wider as when using it portion of my hand sits off the mouse. I used it for 8 hour plus days and my wrists were never fatigued; this was the same for gaming. The mouse can be used wirelessly or wired and I have been using it for over 4 days and the battery life is excellent. The mouse works flawlessly on all surfaces and the reaction/response times are excellent. Sony mentions it was designed with Fnatic and you can tell as all clicks register and precision is excellent for all types of gaming sessions. Response times are crucial for competitive gaming and this mouse is perfect for competitive gaming. The INZONE app is nicely laid out with tons of adjustments you can do to make the mouse more personal. The configurations can be done by downloading the program or just through the web portal (no sign in required). All buttons and the scroll wheel can be changed to fine tune your experience, one of the best adjustments for me personally was using the scroll wheel as a media play/pause button. The wireless transmitter allows you to keep your mouse setting no matter what computer you use. Not only can you keep your profile settings, but you can change profiles by simply by holding the power button below the mouse and back button. One of my favorite adjustments was being able to use the scroll wheel click as a start/stop for media. I have a thunderbolt dock and 4 laptops and no matter which one I use all my settings carry forward even without downloading Inzone software or using the web portal. This is huge as you’re not having to download a app when changing machines and let’s be honest no one wants to download any more programs/apps. Sony has done a great job engineering a mouse that can be used for gaming and everyday use. The mouse feels great in hand and is perfect for gamers who want precise control while gaming and comfortable for long office hour/general use.

    JayS Posted

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