Logitech K860 ERGO Split Wireless Keyboard - Curved Ergonomic Split Keyboard, Bluetooth/2.4GHz USB BETTER POSTURE, BETTER RESULTS ERGO K860’s curved keyframe places your hands, wrists, fingers and forearms in a more natural posture – you’ll notice the lack of strain the moment your hands land on the keyboard. ERGO K860 has even been proven to reduce muscle activity by 21% in the upper trapezius muscle 2Compared to a traditional Logitech keyboard without palm rest — key muscle in the center of the back that stabilizes and facilitates shoulder and neck movement. Specs & Details Dimensions: 233 x 456 x 48mm Weight: 1160 g Technical Specifications Connection support: USB Receiver, Bluetooth low energy technology Software support Logitech Options on macOS 10.11 and above and Windows 7 and above Battery type 2 x AAA Batteries Wireless range 10 m wireless range Wireless range may vary depending on operating environment and computer setup. Wireless encryption Wireless encryption is between keyboard and the connected computer or mobile device. Sustainability Graphite plastics: 71% post-consumer recycled material 7Excludes plastic in printed wiring assembly (PWA) and packaging. Paper Packaging: FSC™-certified Warranty 1-Year Limited Hardware Warranty System Requirements Bluetooth® Windows® 10,11 or later macOS 10.15 or later iPadOS 14 or later Chrome OS™ Device basic functions will be supported without software for other systems than Windows® and macOS Linux® Device basic functions will be supported without software for other systems than Windows® and macOS USB Receiver Windows 10,11 or later macOS 10.15 or later Chrome OS 10Device basic functions will be supported without software for other systems than Windows® and macOS Linux 11Device basic functions will be supported without software for other systems than Windows® and macOS Contents Ergonomic Keyboard Unifying USB Receiver 2 x AAA batteries Quick Start Guide