Improved Typing Posture: Type more naturally with a curved, split keyframe and reduce muscle strain on your wrists and forearms thanks to the sloping keyboard design Pillowed Wrist Rest: Curved wrist rest with memory foam layer offers typing comfort with 54 per cent more wrist support; 25 per cent less wrist bending compared to standard keyboard without palm rest Perfect Stroke Keys: Scooped keys match the shape of your fingertips so you can type with confidence on a wireless keyboard crafted for comfort, precision and fluidity Adjustable Palm Lift: Whether seated or standing, keep your wrists in total comfort and a natural typing posture with ergonomically-designed tilt legs of 0, -4 and -7 degrees Ergonomist Approved: The ERGO K860 wireless ergonomic keyboard is certified by United States Ergonomics to improve posture and lower muscle strain Familiar Features: Conveniently connect with the USB receiver or Bluetooth, customise Fn key use, and enjoy the quiet keys, full-size layout and CAPS LOCK indicator Keyboard Recommended usage Office Connectivity technology Wireless Device interface RF Wireless + Bluetooth Keyboard key switch Semi-mechanical key switch Keyboard layout QWERTY Keyboard language UK English Pointing device No Keyboard form factor Full-size (100%) Numeric keypad Yes Frequency band 2.4 GHz Bluetooth Low Energy (BLE) Yes Bluetooth version 5.0 Design Backlight No Keyboard style Curved Ergonomic design Yes Wrist rest Yes Adjustable keyboard height Yes Product colour Graphite Surface coloration Monochromatic Features Wireless range 10 m Power Power source type Battery Keyboard battery type AAA Number of batteries (keyboard) 2 Battery technology Alkaline Battery capacity 1000 mAh Battery type AAA Number of batteries supported 2 Mouse Mouse included No System requirements Windows operating systems supported Windows 10, Windows 11, Windows 8, Windows 7, Windows 8.1 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 Linux operating systems supported Yes Minimum system requirements Connectivity:> Bluetooth 5.0(Need BT support and Keyboard HID)> USB Receiver(Need a USB A port) Other operating systems supported ChromeOS General Product family ERGO Weight & dimensions Keyboard dimensions (WxDxH) 456 x 233 x 48 mm Keyboard weight 1.16 kg Packaging content Number of products included 1 pc(s) Receiver included Yes Wireless receiver interface USB Type-A Receiver type Nano receiver Batteries included Yes User guide Yes Packaging data Package width 58 mm Package depth 494 mm Package height 251 mm Package weight 1.73 kg Other features Made with recycled materials Yes Recycled materials used for making Recycled plastic Total amount of recycled materials used for making 71% Logistics data Harmonized System (HS) code 84716060 Master (outer) case width 190 mm Master (outer) case length 247 mm Master (outer) case height 80 mm Master (outer) case gross weight 965 g ERGO K860 Ergonomic Split Keyboard