Cross-Compatible: Works with iOS, Android, Mac and Windows, with shortcut keys for all four systems. Lightweight & Compact: 30% smaller than traditional clunky keyboards and as light as a billiard ball (6.7oz). Comfortable Keys: Type quietly and effortlessly on comfortable, low-profile keys. Low-Power Consumption: Lasts over three months (based on two hours use per day) with power-saving mode and space for two AAA batteries (not included). Learn More and Shop: www.walmart.com/anker