Logitech Ergo Series Wave Keys Wireless Ergonomic Keyboard (Graphite) 920-012281 WAVE KEYS A wireless ergonomic keyboard with a cushioned palm rest, for natural, feel-good typing throughout the day. Dimensions Length_ 375.97 mm Width_ 218.91 mm Height_ 30.53 mm Weight (including batteries): 750 g Technical Specifications Customization app Supported by Logi Options+ App on Windows® and macOS 1Requires Logi Options+ app, available for Windows and macOS Battery Battery type_ 2x AAA (included) Battery life_ up to 36 months 2Battery life may vary based on user and computing conditions. Compact layout with number pad Dual printed layout (Windows/Mac) Easy-Switch Keys (connect up to 3 multi-OS devices) Tilt legs (+ 4-degree) On/Off power switch Caps Lock and Battery indicator lights Compatible with Logitech Flow technology enabled mouse 3Requires Logi Options+ app, available for Windows and macOS Sustainability Graphite plastics_ 61% post-consumer recycled material 4Excludes plastic in printed wiring assembly (PWA), cables, and packaging. Off-white plastics_ 46% post-consumer recycled material 5Excludes plastic in printed wiring assembly (PWA), cables, and packaging. Paper Packaging_ FSC™-certified Certified carbon neutral Warranty Information 1-Year Limited Hardware Warranty