Logitech ERGO K860 2.4G Wireless Keyboard Bluetooth Dual Mode Ergonomic Split Keyboard Features 1. Ergonomic design, natural and comfortable input experience. 2. The arc-shaped split button layout improves the typing posture, and the inclined shape can effectively reduce the muscle fatigue of the wrist and forearm. 3. Innovative palm supporting function. The 0 degree, -4 degree and -7 degree tilting legs allow you to easily raise your palm to the ideal ergonomic position according to your personal preference. 4. Comfortable and accurate ideal keystroke. 5. Support EASY-SWITCH. Up to 3 devices can be paired. About the product Keyboard features: 1. 10m wireless range: The wireless receiving range varies depending on the working environment and computer settings. 2. Wireless encryption: perform wireless encryption between the keyboard and the connected computer or mobile device. 3. Power supply mode: 2 x AAA batteries (without) 4. Dual link: 2.4GHz USB receiver or Bluetooth low energy technology System Requirements: 1. USB connection: An available USB port is required. Windows7, Windows8, Windows10 or higher; Mac OS 10.13 or higher 2. Bluetooth connection: requires a Bluetooth low energy technology device that supports a keyboard. Windows8, Windows10 or higher; Mac OS 10.13 or higher packing list: 1. Keyboard x 1 2. USB receiver x 1 3. Manual x 1