Universal RF Wireless + Bluetooth Plunger key switch QWERTY US International Full-size (100%) Numeric keypad Windows keys Adjustable keyboard height Mouse included Black 2 pc(s) Work quietly in any space with a compact, silent keyboard and mouse combo that connects seamlessly with dual-mode connectivity. Keyboard On/off switch Yes Bluetooth version 5.1 Frequency band 2.4 GHz Multimedia keys Yes Programmable hot keys Yes Number of hot keys 18 Hot keys Yes Windows keys Yes Numeric keypad Yes Keyboard form factor Full-size (100%) Pointing device No Keyboard language US International Keyboard layout QWERTY Keyboard key switch Plunger key switch Device interface RF Wireless + Bluetooth Connectivity technology Wireless Recommended usage Universal Design LED indicators Yes Protection features Spill resistant Product colour Black Adjustable keyboard height Yes Backlight No Power Service life of battery 36 month(s) Number of batteries (keyboard) 2 Keyboard battery type AAA Power source type Bat