How strongly 4 sources agree — expert labs and real owners, with community voices weighted heavier. Not one reviewer’s opinion; the pattern across all of them.
- New haptic feedback and Action Ring for advanced customizable shortcuts
- Improved build materials that resist staining and feel more premium
- Same stellar 70-day battery life with USB-C fast charging
- Expensive, costs more than the already-pricey MX Master 3S
- Haptic feedback feels redundant to some users
- Large and heavy, not ideal for travel or portability
“The Logitech MX Master 4 is an evolution of its predecessor, not a revolution. But that's no bad thing. The formula was a winner, and changing it wasn't necessary.”Tom's Guide
What owners love
- New haptic feedback and Action Ring for advanced customizable shortcuts
- Improved build materials that resist staining and feel more premium
- Same stellar 70-day battery life with USB-C fast charging
- 8,000 DPI sensor with ultra-fast MagSpeed scrolling
The recurring gripe
- Expensive, costs more than the already-pricey MX Master 3S
- Haptic feedback feels redundant to some users
- Large and heavy, not ideal for travel or portability
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