3 Devices Switch with A Single Clicking: This keyboard is able to connect to 3 devices at the same time. You can switch between 3 devices with a single key clicking. Broad Compatibility: Use with all four major operating systems supporting Bluetooth (Windows, iOS, iPad OS, Android, and Mac OS), including Computer, Desktop, PC, Laptop / iPad Pro, iPad Air, iPad, iPad Min, iPhone, Smartphone / Android Tablets like Samsung Galaxy, Surface etc.