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Item#: 9SIA6BM2TW1428

LOGITECH G502 Proteus Core Tunable Gaming Mouse

  • Surface tuning calibration: Easily calibrate the sensor to get best tracking performance for your specific mouse pad surface
  • Weight and balance tuning
  • Laser Depth: 1.5 mm
  • Connection: Wired

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

LOGITECH G502 Proteus Core Tunable Gaming Mouse


As Unique as You Are

Every gamer dominates differently. G502 Proteus Core is designed to let you mod it with unparalleled levels of customization. Elevate your game with surface tuning calibration, weight/balance adjustment, dpi shifting, and 11 programmable buttons. Make Proteus Core yours, and then go make the competition yours.

Technical Details

Gaming Mouse Mat
  1. On-the-Fly dpi:
    Quickly switch through up to 5dpi settings (200 - 12,000) or temporarily downshift dpi for sniping
  2. Eleven Programmable Buttons:
    Set up one-button triggers to execute any command or macro at lightning speed
  3. Improved Dual-Mode Hyper-Fast Scroll Wheel:
    Get enhanced click-to-click precision for gaming and blazing scrolling speeds for the web
  4. Surface Tuning Calibration:
    Easily calibrate the sensor to get best tracking performance for your specific mouse pad surface
  5. Weight and Balance Tuning:
    Adjust the weight, center of balance and placement of weights with up to five 0.13oz (3.6g) weights for personalized feel and performance


Gaming Mouse Mat

Proteus Core is designed to be modded with unparalleled levels of customization, so that you'll be unstoppable. What makes Proteus Core so unique? Sensor tuning calibration gives you maximum accuracy, precision, and responsiveness by tuning the sensor to your surface.

Weight and balance tuning lets you change overall weight and rearrange the center of balance. Eleven programmable buttons put your favorite commands just a click away. On-the-fly dpi shifting lets you quickly jump from 200 to 12,000dpi and anywhere in between.

Enjoy click-to-click precision or hyper-fast scrolling with the improved, dual-mode scroll wheel.

Gaming Mouse Mat

Personally-Tuned Performance

Fine tune Proteus Core to your playing surface for better accuracy, precision and responsiveness. Just a quick tuning process, and you are battle ready.* G502 Proteus Core is pre-tuned for Logitech gaming mouse pads, G240 and G440. Add a mouse pad for extreme accuracy.

*Logitech Gaming Software is required to tune sensor.

Gaming Mouse Mat

You Control the Weight and Balance

Customize the gaming mouse to the weight and balance that feels good to you. Proteus Core comes with five 0.13oz (3.6g) weights. Add some or all, and arrange their positions for a mouse tailored to you.

Gaming Mouse Mat

Eleven Programmable Buttons

You have go-to game commands and macros. Program each of the 11 buttons with your favorites. Save your setting to one of the onboard profiles. Or, select from thousands of profiles on your PC.

Gaming Mouse Mat

In-Game DPI Shifting

Proteus Core helps you be an unstoppable force in low or high dpi. Shift through five dpi settings, from headshot-precise 200dpi targeting to lightning-fast 12,000dpi maneuvers.

Gaming Mouse Mat

Gaming-Grade Dual-Mode, Hyper-Fast Scroll Wheel

You decide the mode with Proteus Core. Choose whether you want click-to-click precision or hyper-fast scrolling.

Gaming Mouse Mat

Additional Features

  • Most accurate sensor on the market
  • 32-bit microcontroller
  • Three on-board profiles
  • One millisecond report rate
  • Primary buttons rated to 20 million clicks
  • Mechanical microswitches
  • Improved keyplate design for better click feeling and performance
  • Braided cable with hook and loop cable tie
  • Sleep mode disabled
  • 3dpi indicator LEDs
  • Rubber grips
  • Magnetic weight-cavity door

What's in the Box

Gaming Mouse Mat

  1. LOGITECH G502 Proteus Core Tunable Gaming Mouse
  2. Tuning Weights and Weight Case
  3. User Documentation

Learn more about G502

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of G502

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Filter Results

  • Quan L.
  • 9/29/2015 7:07:30 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggs

Pros: *fits my hand well, although a little small
* weight adjustments,
* many psi settings,

Cons: none so far, had it for a year now, still working great.

1 out of 1 people found this review helpful. Did you? Yes No

  • Stan H.
  • 9/23/2015 6:42:38 AM
  • Tech Level: Average
  • Ownership: more than 1 year

4 out of 5 eggsLove Hate

Pros: This mouse is PERFECT in every way EXCEPT the horrible scroll wheel. All Logitech had to do is make this one as nice as most of their other mice, but no they had to make it totally annoying. And I mean annoying. Either it is difficult to turn or you set it to free mode and then it is crazy. So the choice is CRAZY or ANNOYING. No other setting.

Cons: The scroll wheel ruins an otherwise PERFECT mouse.

2 out of 2 people found this review helpful. Did you? Yes No

  • Richard B.
  • 9/22/2015 6:17:04 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsWorst Gaming Mouse Ever

Pros: The shape of the mouse is great ,button layout is good

Cons: Mouse cable had a twist in it I thought it was cosmetic but 25 days later mouse hardly works. This is the 5th Logitech mouse I have owned and for the mouse cable, quality is very bad they all failed because of cable defects. These where not cheap mice , Will not buy again.

Other Thoughts: Open a support ticket on the 28th day and it took 2 days for NewEgg to respond then they say the 30 days has expired. So I called them and spoke to someone, she said she would refer it to RMA for processing and I should hear back in 4 days. That was 2 weeks ago

3 out of 5 people found this review helpful. Did you? Yes No

  • diana r.
  • 9/16/2015 8:28:41 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner


Pros: Its great while it works.

Cons: Only reason I'm writing this review is because of how short lived my mouse was. Having this mouse since January, I have taken it out of my house about 3 times, and never dropped it. Every time transported in a backpack with the utmost care and caution taken. One time I pulled the mouse out of my pack and the middle button on the thumb bar would stick, and eventually start to just hold the button rendering it useless. This mouse is cheap and not worth the price tag.

1 out of 3 people found this review helpful. Did you? Yes No

  • Slavic R.
  • 9/14/2015 11:03:53 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGaming Mouse

Pros: It took some time to get to used to it.. cuz its kinda small for my hand after that its the best one you can get it really improve my gaming up to 40%.. just get it you will love it!

Cons: It be great to have it a bit bigger.

1 out of 2 people found this review helpful. Did you? Yes No

  • Logan M.
  • 9/8/2015 5:52:17 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsFits my hand like a glove

Pros: -size
-macro buttons galore
-software is easy to use(95% of it anyways)
-ability to decrease the lighting or turn off completely
- quality of all the macro buttons(satisfying clicks all around)
-free rolling scroll. i abuse it and it's so much fun to play with.
-audible tone of the left mouse is sweet music. Personal preference.

Cons: -scroll wheel is as advertised. i wouldn't say it's horrible like some, I don't mind it, but it defiantly would've been the perfect mouse if it had a grippy coating.

-wish there was more travel and less pressure needed to use left and right click on the scroll wheel. i lack the same muscle in my middle finger (pushing left) as i have in my pointer finger(pushing right).and it's not the most tactile feedback when you have headphones on. if i can't hear it, i'm not always 100% it clicked. i use it for less essential macros.

Other Thoughts: i wouldn't say i have small hands, but i have wide lineman palms and stubby fingers.I read many other reviews saying it was a great small/medium hand mouse. Wanted to try it out in a brick and mortar store first, but Newegg had it for $50 so i rolled the dice, and got so lucky. This mouse was made for my hand.

The thumb grip is the only one I've ever felt comfortable with, but if your thumb rolls open towards the blue there's alot of travel to get back to the DPI shift. I wish the DPI shift button was movable. 1/4 of a fingernail closer and It would never be out of reach for me.

Looks are also super subjective. You might love it or you might think it looks silly.I think it looks like a little robot.

Packaging was quality. Shipping was quick, free, and safe.

Overall another great Newegg and Logitech experience.
The upsides of this mouse have me so charmed, I can't bring myself to ding an egg for the less than perfect scroll wheel.

2 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 9/7/2015 7:21:31 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsawesome mouse

Pros: Highly customizable in every sense. buttons are all programmable and you can save different layout on the mouse itself so you can take it to any computer and have your presets. there's even a button that let's you switch between profiles on the fly. tunable to the surface your using it on, adjustable sensitivity, and you can add and remove included weights to custom tailor the weight and balance. roller wheel is very precise as well. you can give the light a breathing effect which I think is great. overall I give it over 9,000/10

Cons: a bit on the small sode, may he a bit small for people with big hands

Did you find this review helpful? Yes No

  • Jordan D.
  • 9/1/2015 10:59:10 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWow! Some of these reviews..

Pros: • Fairly comfortable
• Lives up to the "gaming" mouse name
• Software is easy to use
• Long, durable cord

Cons: • Would've been nice to have an alternate color, primarily with the LED
• The scroll button activate/deactivate is an odd design, I also own two Anywhere MX from Logitech, and the wireless G602 mouse. The 602 didn't have the option to alternate between standard and infinite scroll which was disappointing but my Anywhere MX had a great design for the scroll-wheel which was a simple push down rather than this button design which feels like it'll eventually break, in my opinion, but I hope I'm wrong!

Other Thoughts: I only made this review to address the individual saying they're gonna give this mouse to a six year old because it wasn't conformed to their hand/smaller size.. Practically the entire review made me question if they were using an entirely different mouse because it all seemed wrong to me..

• Traction is great on standard scroll, not slippery in anyway. Sounds like you might have received a faulty product.

• The mouse isn't heavy at all, it's quite light compared to my G602

• Describing the rubberized sides as feeling like "ash" or "sandpaper" is absolutely ridiculous.

2 out of 4 people found this review helpful. Did you? Yes No

  • Steven W.
  • 8/25/2015 12:07:55 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsTerrible mouse...

Pros: Pros: Looks like it was made in the 70s, STARWARS era...

It has Tilt Wheel which is what I need but ugh...

Cons: Where to begin. I'm 5'5" not a big man and this mouse is barely usable by me. The problem is the thumb area. I'm always hitting the back button on this thing because there is no room for my thumb without pushing that button. I have smaller hands. So it's a problem.

The Scroll Wheel is horrible! It's nearly impossible to use because it's SUPER SLIPPERY! I have soft tender girlie hands too and I can't get traction. It's also a heavy wheel and is rather loud and has hard rough clanks as it does rotate. Of course you can just turn this off and let it freely spin around screwing up everything as you use the mouse because without it switched on it's like the Wild West and it spins if you look at it funny. Totally unusable.

The surface texture feels like ash. I'm not kidding either. It's not a nice feel at all which is odd because the sides of the mouse have a rubber texture to them and oddly enough it even feels more like sandpaper than a nice rubber texture.

It does not come with a manual or CD and it's rather frustrating to find the software to use the features of this mouse. If you go to Logitechs mouse page it's not there. You have to go their gaming section and download it only to find out that it default downloads the Crapple I mean Apple software. A search in Google will eventually give you a link to get the Windows version.

The Braided cable is kinda weird. Mind had kinks in it and was kinda slightly unraveled in various parts of the cord. It's also a heavy cable and I have no idea why. Is it lined with metal? It feels like it. Very odd.

The mouse is heavy. No need for weights. It's too heavy. The back foot slider is very small too. Which is odd because that is where you would put most the weight.

The magnet bottom is rubbish and barely holds the cover on. Again I have no idea why they did this.

The mouse is rather narrow and while that can be good I find it bad in this case. It's just a weird fit and with the thumb thangie stopping me from getting my thumb down onto the mousepad it makes this mouse unusable for me for detail precision work in other graphic programs.

No nice LEDs. For a mouse at this price I am amazed you can't change the color of the GIANT silly "G" on the mouse. Very lame because it's an off color of blue. It's what I would call a girlie eye shadow blue.

I could go on about more minor things but I'm just very disappointed in this mouse and hope I save someone money and time from getting this. I'd return it but Newegg is a bit of jerks when it comes to returns. I should have ordered this through another retailer where it would be no questions and they send someone to pick it up at no cost but I wanted to save $2 usd. Not good. I will see my 6 year old niece wants it to play with. Will be an expensive 6 year old toy but that's how disappointed I am in this mouse that I can't be bothered with returning it even.

I think Logitech is really screwing up and needs to stop letting the old suite guys in t

Other Thoughts: This was Logitech's last change with me. Unless it's free I am staying away from their new stuff.

1 out of 11 people found this review helpful. Did you? Yes No

  • 8/21/2015 7:12:18 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsUsed for Rocket League and CS:GO, also WoW a bit

Pros: Great mouse for FPS, sensitivity is great, weighted well. Once I got the driver in I was able to configure it to do what I wanted logically.

Cons: Mouse2 unreliable, does not always work. Scroll (Mouse5) is weighted and annoying how it keeps scrolling after I have released it. It would be nice if I was used to it maybe, but I have never had a mouse with this feature..

Other Thoughts: This mouse does not always respond to right click. I have my finger centered over it. It is 1/25 or so that it does not respond but that is enough to make it worthless for gaming for me. Also the mouse wheel spins non-stop, it is weighted, some might like this but I feel it is a bug rather than feature. Constantly scrolling in areas where I do not want to do this. Hopefully if it is replaced I can change the way this mouse5 scrolls because it is more than annoying in most games/applications. I can't think where it would be useful except for a file folder that has 1000+ items.

0 out of 1 people found this review helpful. Did you? Yes No

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