ProtoArc's EM25 ergonomic mouse arrives with promise but stumbles on execution. The peripheral targets productivity users and gamers seeking vertical grip designs that reduce wrist strain, a legitimate market niche as RSI concerns persist across desk-bound communities.
The EM25 delivers on basic ergonomics. Its contoured shape fits the palm naturally, and the vertical orientation keeps the forearm in a neutral position. For extended work sessions, that matters. The build quality feels solid, and the DPI settings cover standard ranges for both office work and light gaming.
However, the mouse reveals weaknesses in refinement. The side buttons lack satisfying click feedback, making them unreliable for rapid inputs. The scroll wheel exhibits inconsistent resistance between up and down movements. Cable management, while decent, catches slightly on desk edges during lateral motion.
Tracking performance remains adequate for office tasks but falls short for precision gaming. The sensor responds well at lower DPI values but struggles with micro-adjustments at higher sensitivities where competitive players operate.
ProtoArc prices the EM25 competitively against Anker and Logitech alternatives in the vertical ergonomic space. Razer's Pro Click Ultra costs more but offers superior build consistency. The Anker Vertical Ergonomic Mouse undercuts the EM25 and delivers tighter overall execution, making it the safer recommendation for buyers prioritizing quality.
The EM25 occupies awkward middle ground. Gamers need better tracking and switch quality. Productivity users encounter minor annoyances that accumulate over eight-hour workdays. The mouse succeeds as a concept but needs refinement before earning strong consideration. ProtoArc should address button responsiveness and scroll consistency in the next revision to compete effectively.