Nulea

M509

A comfortable wired trackball with broad compatibility and adjustable DPI, but lacking programmable buttons and requiring a learning curve.

Summed up from 8 published reviews

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What reviewers like

Ergonomic thumb control reduces wrist strain 1 2 3 5
Dual USB-A and USB-C connectivity 1 2 3 5
Plug-and-play with no driver installation 1 2 3 5
Adjustable DPI with five sensitivity levels 1 7
Wired connection eliminates battery concerns 1 4 5 6

What they don't

Buttons are not programmable 1 2 3 5
Trackball use requires learning period 2 3 4 5
Forward/back buttons may not work on macOS 1 7
No software for advanced customization 1 2 7

Best for

Users seeking ergonomic wrist relief and multi-device wired connectivity

Skip it if

Those needing programmable buttons, wireless freedom, or left-handed use

Where it fits

hand: Right
use: Wrist relief
buttons: Two
connection: Wired

Specs

Type: Trackball
Hand: Right hand
Side buttons: Standard
Wireless: No
Size: Medium

Also worth a look

Questions

Is the Nulea M509 worth it?

A comfortable wired trackball with broad compatibility and adjustable DPI, but lacking programmable buttons and requiring a learning curve.

What do reviewers like about the Nulea M509?

Ergonomic thumb control reduces wrist strain. Dual USB-A and USB-C connectivity. Plug-and-play with no driver installation. Adjustable DPI with five sensitivity levels. Wired connection eliminates battery concerns.

What are the downsides of the Nulea M509?

Buttons are not programmable. Trackball use requires learning period. Forward/back buttons may not work on macOS. No software for advanced customization.

Who should buy the Nulea M509?

Users seeking ergonomic wrist relief and multi-device wired connectivity. Skip it if those needing programmable buttons, wireless freedom, or left-handed use.

Sources

We don't test products ourselves. This page sums up 8 published reviews, read on October 24, 2026; each point above links to the reviews that make it.