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Dell Mobile Wireless Mouse - MS3320W, Wireless - 2.4 GHz, Bluetooth 5.0, Optical LED, Mechanical Scroll, 1600 DPI, 3-Buttons - Black

TLDR Review: Dell MS3320W Wireless Mouse

By ShopSavvy Team

Published: January 1st, 2026

Pros

•Works seamlessly with both USB dongle and Bluetooth 5.0, so you can switch between connection methods depending on your setup
•Uses just a single AA battery, keeping the mouse lightweight and portable for mobile use
•Symmetrical design accommodates both right and lefanded users comfortably
•All buttons are fully programmable through the included application, giving you customization flexibility
•Optical sensor tracks reliably on all surfaces without the distraction of a red laser
•Battery life is genuinely impressive, lasting over a year with daily use
•Adjustable DPI settings make it versatile for different tasks, from web browsing to detailed CAD work
•Compact and portable design makes it ideal if you're frequently switching between devices
•Autleep feature conserves battery when you're not actively using it
•USB dongle conveniently stores inside the mouse itself

Cons

•The scroll wheel is sensitive to dirt and requires periodic cleaning to maintain proper functionality
•Instructions are unclear and may require you to look up additional information online
•No rechargeable battery option—you'll need to stick with disposable AA batteries
•Could benefit from improved diresistant design to protect the scroll wheel mechanism

Bottom Line

The Dell MS3320W is a solid, no-nonsense wireless mouse that delivers reliable everyday performance without breaking the bank. Its dual connectivity options (Bluetooth and USB dongle), excellent battery life, and fully programmable buttons make it genuinely versatile for both office work and mobile use. The main trade-off is that the scroll wheel needs occasional cleaning to stay responsive, and you'll be replacing AA batteries rather than recharging. If you want a dependable, lightweight mouse with flexibility across multiple devices and don't mind basic maintenance, this is a smart choice at its price point.

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.

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