Aura Studio 2 Harman KardonThe legendary Harman Kardon Soundsticks design evolves in a premium Aura Studio design that fits any Mac, iPhone, iPad, or other smart devices. Bluetooth Wireless Connection with Social ModeThe Aura Studio has a built-in Bluetooth feature to wirelessly stream audio from your Bluetooth devices. Our Bluetooth Social Mode allows you to connect up to 2 playback devices to the speaker and take turns playing music.