15 DAYS ON FULL CHARGE UP TO 10 MONTHS WITH BACKLIGHTING TURNED OFF BLUETOOTH LOW ENERGY WIRELESS CONNECTION LOGI BOLT USB RECEIVER (INCLUDED) MULTI OS COMPATIBILITY EASY SWITCH Keyboard On/off switch 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 International Keyboard layout QWERTY Keyboard key switch technology Logitech Tactile Keyboard key switch Mechanical Device interface RF Wireless + Bluetooth Connectivity technology Wireless Recommended usage Office Design Surface coloration Monochromatic Product colour Graphite, Grey 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 Power Charging source USB Type-C Rechargeable Yes Service life of battery 10 month(s) Battery capacity 1500 mAh Battery technology Lithium Polymer (LiPo) K