Iconic design and transportable sound quality makes the Onyx Studio Portable Wireless Bluetooth Speaker by Harman Kardon one of its kind. The 4 powered speakers and dual passive radiators are capable of providing room filling sound by connecting with your mobile devices. There’s the DSP-enhanced digital system which can give you clear high, warm midrange and rich low frequencies. To add to that is the good looks of the speaker that hides the marvelous technology within. Onyx can link you to most of your audio needs,be it Bluetooth with NFC, AirPlay for Apple, DLNA for Android and Windows ecosystems wirelessly. There is a rear USB port for easy setup and charging of your devices too. With up to 5 hours of portable playback time (wireless) or 8 hour of playback (wired), carrying this around will indeed be fun!