This product can be used for iOS, Android, Mac, Windows. Shortcut keys can also be used, respectively. Lightweight and compact: This product is two-thirds the size of conventional keyboard. It weighs about 200 g and is very lightweight. Comfortable keyboard: Adopting a key that allows typing to be quiet and comfortable. Can be used for a long time: It can be used for 3 months or longer depending on power saving mode and AAA type batteries.