MPROVE POSTURE REDUCE STRAIN 54% MORE WRIST SUPPORT Keyboard Bluetooth Low Energy (BLE) Yes Bluetooth version 5.0 Frequency band 2.4 GHz Numeric keypad Yes Keyboard form factor Full-size (100%) Pointing device No Keyboard language Swiss Keyboard key switch Semi-mechanical key switch Device interface RF Wireless + Bluetooth Connectivity technology Wireless Recommended usage Office Design Product colour Graphite Wrist rest Yes Ergonomic design Yes Keyboard style Curved Backlight No Features Wireless range 10 m Power Number of batteries supported 4 Battery capacity 1000 mAh Battery technology Alkaline Number of batteries (keyboard) 2 Keyboard battery type AAA Power source type Battery Mouse Mouse included No System requirements Mac operating systems supported Mac OS X 10.13 High Sierra, Mac OS X 11.0 Big Sur, Mac OS X 10.14 Mojave, Mac OS X 10.5 Leopard, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 12.0 Monterey Windows ope