1. Ergonomic design keeps your hands and forearms relaxed throughout your workday. 2. M575S features smooth thumb control and precise tracking. 3. Use your thumb to move the trackball to control the cursor without moving the entire mouse, allowing you to work comfortably on a smaller desk or busy office space, and track on a variety of surfaces. 4. Connect ERGO M575S using Bluetooth Low Energy or the included Logi Bolt USB receiver. Click noise is reduced by 80% for quiet productivity. 5. Connection method: USB 6. Wireless distance: 10 meters 7. Power supply: AA batteries (not included)
