The ProtoArc EM05 NL is a rechargeable vertical wireless trackball mouse with a built-in rechargeable battery, thumb rollerball, quiet switches, and an ergonomic vertical shape (just under 140 g). For PC peripherals it’s a comfortable, low-noise office-oriented ergonomic mouse with easy cleaning and a stable non-slip base.
Good for office users who want a quiet, rechargeable thumb-trackball ergonomic mouse; avoid if you need gaming-grade latency or many programmable macros.
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