Super slim, compact design DefenseGuard™ Antimicrobial Protection* creates a cleaner surface and works continuously to protect the keyboard by preventing the growth of microorganisms Multi-device connectivity for up to 3 devices Reliable and battery saving Bluetooth® 5.1 wireless technology Fast and precise typing response Convenient battery life indicator On/Off power button 2 x AAA batteries included Compatible with Chrome OS, Windows, macOS, iOS, and Android