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  1. Hardware
  2. Peripherals
  3. Gaming Mice

Nobody's talking about my favorite Razer DeathAdder V4 Pro feature

News
By Tabitha Baker
Published 14 July 2025

One small Synapse feature has me hyped for the newest Razer mouse

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Hand holding Razer Deathadder V4 Pro gaming mouse against a gaming setup
(Image credit: Future)
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Razer launched its latest flagship gaming mouse last week, and while I've had the Razer Deathadder V4 Pro on my desk for a little while now I'm still yet to publish my full review. What I can say right now is I'm impressed.

Yes, the new-generation Deathadder packs a 45K DPI sensor with 8,000Hz polling straight out of the box, all slimmed down in a super comfortable 56g form factor. Those are flagship specs one would expect from a gaming mouse starting life at a whopping $169.99 / £169.99 and the kinds of features everyone is celebrating right now. What's really got me excited is its rotation tool, that's what could lift the Deathadder up among the best gaming mouse models on the market.

Razer Deathadder V4 Pro | $169.99 at Amazon

Razer Deathadder V4 Pro | $169.99 at Amazon
The Razer Deathadder V4 Pro is a little pricier than previous flagships from this brand. Top-line gaming mice like this usually tap out at $159.99 but Razer has gone just a little further in its pricing for this generation. That said, there's plenty of new tech stuffed inside to back up that MSRP - you just have to know you'll make use of it to see the true value.

Buy it if:

✅ You're a competitive FPS player
✅ A low weight is a high priority
✅ You want as much speed as possible

Don't buy it if:

❌ You only play casually

UK: £169.99 at Amazon

View Deal

Synapse 4 opens up a whole world of keybinding and sensor settings to tinker with, but the Razer Deathadder V4 Pro also has one more trick up its sleeve. The 'Rotation' tool allows you to find the degree to which you naturally lean upwards or downwards in a horizontal pan, and then have your gaming mouse correct it.

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It sounds small but, while there's a whole host of fancy features tucked away under the hood, this is the function I've noticed kicking in the most during my testing so far. In my natural, slightly angled, mouse position I'm often drifting ever so slightly upwards when trying to sweep sideways. That makes sense, my mouse is sitting on a slight diagonal angle that I'm not naturally compensating for in wider mouse sweeps.

Razer Synapse screenshot showing rotation tool in use

(Image credit: Razer)

Once I used Razer's tool to see how that discrepancy, I can use Synapse and the Deathadder V4 Pro to fix it. Simply adjust a slider and the mouse will read my natural swipe as a solid horizontal.

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You might think this is a fix that will only be appreciated by the more competitive players among us, and I would have agreed with you before getting my hands on the Deathadder. I'm no ranked God, but I do enjoy more casual first person shooters. Lining up a headshot horizontally is noticeably smoother and requires less fine-tuning with this rotation feature switched on. If I can feel the difference in Fallout 4, much better players will be noticing it in CS2.

  • Razer Deathadder V4 Pro | $169.99 at Amazon
  • View all gaming mice at Amazon
  • View all Razer mice at Amazon

Of course, I'm also hunting down all the best Razer mouse models on the market as well as the best wireless gaming mice as well. You can also check out the best gaming keyboards I've tested for a full setup refresh as well.

GamesRadar+'s weekly hardware digest

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By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.
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Tabitha Baker
Tabitha Baker
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Managing Editor - Hardware

Managing Editor of Hardware at GamesRadar+, I originally landed in hardware at our sister site TechRadar before moving over to GamesRadar. In between, I've written for Tom’s Guide, Wireframe, The Indie Game Website and That Video Game Blog, covering everything from the PS5 launch to the Apple Pencil. Now, i'm focused on Nintendo Switch, gaming laptops (and the keyboards, headsets and mice that come with them), PS5, and trying to find the perfect projector. 

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