Harman Kardon Aura Wireless Stereo Speaker System (White) - International Version No Warranty Six mid- to high-range 1.5"transducers deliver accurate, Omni-directional sound while a 4.5"subwoofer gives rich, powerful bass Custom, stereo-widening DSP audio technology is engineered for room-filling, full frequency sound Built-in Bluetooth feature streams audio from your Bluetooth devices wirelessly Built-in Apple AirPlay system has easy set-up for use with all your Apple devices and DLNA for Windows and Android, Customized Harman Kardon Remote app allows for easy set-up and added connectivity Non-US charger plug. An US convertible adapter will be included in the package