ProtoArc EM06
A finger-operated trackball mouse released by ProtoArc. It uses a scroll-wheel-free design in which scrolling is performed by holding a scroll button and moving the ball. It features seven programmable buttons, adjustable DPI and onboard profile storage, and supports Windows, macOS and Linux.
Timeline (last 90 days)
The ProtoArc EM06 is a finger-operated trackball mouse, with an overall flat and wide shape, and dimensions similar to those of the Kensington Expert.
The EM06 has no physical scroll wheel; scrolling is done by holding the scroll button on the upper right side while moving the trackball.
The EM06 has 7 programmable buttons in total, with the left click on the thumb side by default and the right click on the pinky side; the two top buttons default to forward/back, but the factory setting is forward on the left and back on the right.
The EM06 is configured through the ProtoArc website's Device Setup Center accessed via a Chromium-based browser, and it supports Windows, macOS, and Linux systems.
Configuring the EM06 via the web on Linux requires adding a UDEV rule, specifically by creating the file `/etc/udev/rules.d/99-protoarc.rules` and writing `KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0666"`, then executing `sudo udevadm control --reload-rules` and `sudo udevadm trigger`.
The EM06 supports DPI adjustment ranging from 200 to 1600 across five levels, indicated by LED colors.
The EM06 can save up to 4 profiles to the mouse's onboard memory.
The EM06 supports both wired and 2.4GHz wireless connection modes, its built-in battery must be charged via USB-C, and the wireless receiver is stored in a compartment at the bottom.
The cable included with the EM06 is 4 feet (about 1.2 meters) long.
Double-clicking the EM06's scroll button enters "scroll lock" mode, in which the trackball can only be used for scrolling; this function cannot be disabled in the configuration tool.
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All Facts (15)
Other users online have already reported the EM06's accidental scroll lock issue.
50%UnverifiedThe EM06 has no physical scroll wheel; scrolling is done by holding the scroll button on the upper right side while moving the trackball.
50%UnverifiedThe EM06 has 7 programmable buttons in total, with the left click on the thumb side by default and the right click on the pinky side; the two top buttons default to forward/back, but the factory setting is forward on the left and back on the right.
50%UnverifiedThe EM06 is configured through the ProtoArc website's Device Setup Center accessed via a Chromium-based browser, and it supports Windows, macOS, and Linux systems.
50%UnverifiedConfiguring the EM06 via the web on Linux requires adding a UDEV rule, specifically by creating the file `/etc/udev/rules.d/99-protoarc.rules` and writing `KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0666"`, then executing `sudo udevadm control --reload-rules` and `sudo udevadm trigger`.
50%UnverifiedThe EM06 supports DPI adjustment ranging from 200 to 1600 across five levels, indicated by LED colors.
50%UnverifiedThe EM06 can save up to 4 profiles to the mouse's onboard memory.
50%UnverifiedThe EM06 supports both wired and 2.4GHz wireless connection modes, its built-in battery must be charged via USB-C, and the wireless receiver is stored in a compartment at the bottom.
50%UnverifiedThe cable included with the EM06 is 4 feet (about 1.2 meters) long.
50%UnverifiedDouble-clicking the EM06's scroll button enters "scroll lock" mode, in which the trackball can only be used for scrolling; this function cannot be disabled in the configuration tool.
50%UnverifiedDuring several days of trial use, the author encountered accidental entry into scroll lock mode due to an unintended double-click roughly six to ten times per day.
50%UnverifiedThe ProtoArc EM06 has an official price of $89.99.
50%UnverifiedThe author speculates that the EM06's large ball may put pressure on the index finger joint with long-term use, similar to how the author developed index finger joint pain after using the Kensington Expert for several years, though the pain disappeared after switching mice.
50%UnverifiedThe ProtoArc EM06 is a finger-operated trackball mouse, with an overall flat and wide shape, and dimensions similar to those of the Kensington Expert.
50%UnverifiedThe author played the first-person shooter game "Sauerbraten" with the EM06 for two hours and did not feel any notable inconvenience.
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