SEENDA Official is excited to unveil the ISJ-DJC03 wireless 4 bluetooth keyboard, which is the upgraded version of ISJ-DJC01 bluetooth keyboard. SJ-DJC03 keyboard allows to pair with up-to 4 devices simultaneously and easily switches between devices. Compatible for Mac OS, iOS, Windows and Android system, works on iPad Pro/Air/Mini, iPad 4/3/2, iPad Mini 4, iPhone, Galaxy Tab, Macbook Pro/Air, Surface Pro & More.