Rato trackball Logitech MX Ergo

Customised comfort Choose the best angle for you (Between 0 and 20 degrees) Scientifically proven: 25% less muscle activity and more natural posture compared to traditional mice Easy-Switch: Connect and work on two devices at the same time and easily switch between them Tested and certified by the AGR (Aktion Gesunder Rücken e.V) / Forum Gesunder Rücken / Bundesverband Deutscher Rückenschulen. System requirements Unifying -Requirements: Available USB port - Windows 10 or later, Windows 8, Windows 7 - Mac OS X 10.12 or later - Internet connection (for software download) Bluetooth -Requirements: Bluetooth Smart Ready - Windows 8 or later - Mac OS X 10.12 or later - Internet connection (for software download)