The ERGO K860 is a split, ergonomic keyboard for improved posture and less strain. Keeps your hands, wrists, fingers and forearms in a more natural position. More comfort and support thanks to the padded wrist rest. Innovative palm lift feature: Tilt legs lift your palms into the optimal ergonomic position depending on your unique set up. Tested and certified by the AGR (Aktion Gesunder Rücken e.V) / Forum Gesunder Rücken / Bundesverband Deutscher Rückenschulen. System requirements Bluetooth connection: Windows 8, Windows 10 or later; macOS 10.13 or later USB receiver: Windows 7, Windows 8, Windows 10 or later; macOS 10.13 or later, free USB port