Office RF Wireless + Bluetooth Membrane QWERTY UK English Full-size (100%) Numeric keypad Adjustable keyboard height Graphite 1 pc(s) Keyboard On/off switch Yes Bluetooth version 5.1 Built-in memory capacity 256 KB Built-in memory Yes Actuation force 50 g Key travel distance 2.5 mm Multi-device support Yes Keyboard key profile Low-profile Keyboard keys operating life 10 million characters Keycaps material Acrylonitrile butadiene styrene (ABS) Numeric keypad Yes Keyboard form factor Full-size (100%) Pointing device No Keyboard language UK English Keyboard layout QWERTY Keyboard key switch Membrane Device interface RF Wireless + Bluetooth Connectivity technology Wireless Recommended usage Office Design LED indicators Yes Mean time to failure (MTTF) 150000 h Material Acrylonitrile butadiene styrene (ABS) Surface coloration Monochromatic Product colour Graphite Adjustable keyboard height Yes Wrist rest Yes Ergonomic design Yes Keyboard style Curved Backlight No Features Wireless range 10 m