10 DAYS ON FULL CHARGE UP TO 5 MONTHS WITH BACKLIGHTING TURNED OFF BLUETOOTH LOW ENERGY WIRELESS CONNECTION COMPATIBLE WITH LOGI BOLT USB RECEIVERS (NOT INCLUDED) WILL NOT PAIR WITH OTHER LOGITECH USB RECEIVERS Keyboard On/off switch Yes Bluetooth Low Energy (BLE) Yes Programmable hot keys Yes Hot keys Yes Multi-device support Yes Keyboard key profile Low-profile Keyboard keys operating life 10 million characters Numeric keypad No Keyboard form factor Mini Pointing device No Keyboard language English Keyboard layout QWERTY Keyboard key switch Scissor key switch Device interface RF Wireless + Bluetooth Connectivity technology Wireless Recommended usage Universal Design Surface coloration Monochromatic Product colour Grey Ergonomic design Yes Keyboard style Straight Backlight Yes Features Wireless range 10 m Power Number of batteries supported 1 Charging source USB Type-C Rechargeable Yes Battery capacity 1130 mAh Battery technology Lithium Polymer (LiPo) Power source type Battery Mouse