ProtoArc

EM11 Pro

The ProtoArc EM11 Pro is a budget-friendly vertical mouse with quiet clicks, dual scroll wheels, and multi-device support, but its right-handed design and palm fit may not suit all users.

Summed up from 8 published reviews

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What reviewers like

Quiet clicks suitable for shared workspaces 1 2 3 4
Dual scroll wheels for horizontal and vertical navigation 1 3 4 5
Connects to three devices via Bluetooth and 2.4GHz 2 3 4 5
Web-based customization without software installation 2 3 4 5
58° vertical angle reduces wrist strain 1 3 4 5

What they don't

Right-handed only, no left-handed option 2 4 5 8
May not fit small hands comfortably 4 6 7
Palm rest not flush, may cause rotation 1 3 6
Customization options are basic and browser-dependent 2 5 6

Best for

Office workers wanting quiet, ergonomic multi-device mouse for spreadsheets.

Skip it if

Left-handed users or those with small hands needing precise control.

Where it fits

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

Specs

Type: Vertical
Hand: Right hand
Side buttons: Standard
Wireless: Yes
Size: Large

Also worth a look

Questions

Is the ProtoArc EM11 Pro worth it?

The ProtoArc EM11 Pro is a budget-friendly vertical mouse with quiet clicks, dual scroll wheels, and multi-device support, but its right-handed design and palm fit may not suit all users.

What do reviewers like about the ProtoArc EM11 Pro?

Quiet clicks suitable for shared workspaces. Dual scroll wheels for horizontal and vertical navigation. Connects to three devices via Bluetooth and 2.4GHz. Web-based customization without software installation. 58° vertical angle reduces wrist strain.

What are the downsides of the ProtoArc EM11 Pro?

Right-handed only, no left-handed option. May not fit small hands comfortably. Palm rest not flush, may cause rotation. Customization options are basic and browser-dependent.

Who should buy the ProtoArc EM11 Pro?

Office workers wanting quiet, ergonomic multi-device mouse for spreadsheets. Skip it if left-handed users or those with small hands needing precise control.

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.