Harman Kardon Aura Studio Wireless Bluetooth Home Speaker System - Black (Certified Refurbished) The legendary Harman Kardon SoundSticks design evolves in a premium Aura Studio design that fits any Mac, iPhone, iPad or other smart device. The 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. By using Harmans proprietary stereo-widening DSP technology, the Aura Studio offers a fully optimized acoustic performance. It delivers balanced, yet powerful sound with enhanced equalization and specialization to create an enveloping and very realistic audio experience. This Certified Refurbished product is tested and certified to look and work like new, with limited to no wear. The refurbishing process includes functionality testing, inspection, and repackaging.