ProtoArc Vertical Wireless Trackball Mouse EM05 NL Bluetooth Ergonomic Rollerball Mouse Rechargeable Computer Laptop Thumb Mouse
Computer Peripherals
“Featuring a steep 62-degree vertical angle and five adjustable DPI levels from 200 to 1600, the ProtoArc EM05 NL is a highly comfortable ergonomic trackball mouse for budget-conscious office users. While it excels at reducing wrist strain and saving desk space, the awkward scroll wheel placement may frustrate users with smaller hands.”
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Steep 62-degree vertical angle promotes a natural posture to reduce wrist strain.
note.comThanks to the steep 62 angle, I can always operate it in a natural posture
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Multi-device connectivity allows seamless switching between multiple computers.
note.comThe multi-device connection function comes in handy.
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Plug-and-play design requires no software installation to configure settings.
basic-tutorials.comFortunately, the ProtoArc EM05 NL doesnt require any additional software.
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Removable trackball design allows for easy cleaning of accumulated dust.
basic-tutorials.comThe trackball can be removed for cleaning
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Scroll wheel placement requires shifting your grip and extra force to press.
gadgetoid.comI must also brace my grip to press the mouse wheel
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High DPI settings above 800 make precise cursor control difficult.
basic-tutorials.comprecision decreases, which is why I consider 1,200 and 1,600 DPI to be excessive