The new EM11 Pro Ergonomic Vertical Mouse, a wireless mouse with ergonomic comfort and workflow customization tools for anyone who spends long hours navigating spreadsheets, documents, dashboards and multiple devices. PROTOARC Ergonomic mice can help people who are suffering from Repetitive Strain Injury and other painful conditions like carpal tunnel syndrome. It’s no surprise that many of us spend hours working at a screen using a mouse and keyboard.