Blue2 Bluetooth switch is an interface for tablets, mobile phones, and computers. Blue2 allows you to quickly and easily connect one or two accessibility switches to your device via a Bluetooth connection. Blue2 is compatible with: iPad, iPhone, or iPod touch running iOS 7 or newer Apple laptop and desktop computers running macOS Mavericks 10.9 or newer Desktop, laptop, and tablet computers running Windows 10 Chomebooks and Chromeboxes Android phones running Android 9 or newer.