15 DAYS ON FULL CHARGE UP TO 10 MONTHS WITH BACKLIGHTING TURNED OFF USB TYPE C EASY SWITCH BLUETOOTH LOW ENERGY WIRELESS CONNECTION WORKS WITH LOGI BOLT USB RECEIVERS WILL NOT PAIR WITH OTHER LOGITECH USB RECEIVERS Keyboard Ambient light sensor Yes Proximity sensor Yes On/off switch Yes Bluetooth Low Energy (BLE) Yes Silent keys Yes Hot keys Yes Multi-device support Yes Keyboard key profile Low-profile Numeric keypad No Keyboard form factor Tenkeyless (80 - 87%) Pointing device No Keyboard language US English Keyboard layout QWERTY Keyboard key switch technology Logitech Tactile Keyboard key switch Mechanical Device interface Bluetooth Connectivity technology Wireless Recommended usage Office Design LED indicators Yes Material Aluminium Surface coloration Monochromatic Product colour Grey, White Adjustable keyboard height Yes Ergonomic design Yes Keyboard style Straight Adjustable backlight Yes Backlight colour White Backlight type LED Backlight Yes Features Cable length 1 m Wireless r