MULTI-SYSTEM COMPATIBLE-Bluetooth 3.0 technology provides a cable-free & clutter-free connection. Compatible with 4 major operating system: mac OS / i OS / Windows / Android. Supports most bluetooth-enabled devices, including Apple i Phone / i Pad / Mac Book. Fast channel switch between 3 devices without any interference or disconnection. No need to restart pairing process. This keyboard is perfect for people who work with several computer. All-in-one Keyboard with Touchpad-This wireless touchpad keyboard come with touchpad and a built-in multi-touch navigation trackpad and familiar keyboard layout. The touchpad can instead of the mouse to control the direction for easy web browsing.