Harman Kardon's Onyx provides the ultimate sound companion to all your smart devices, furnishing you with room-filling sound through its 4 powered speakers and dual passive radiators. Its DSP-enhanced digital system gives you clear high, warm mid-range and rich low frequencies. Its stunning good looks hide the wealth of wireless technologies inside letting you connect to almost any device. From Bluetooth with NFC, AirPlay for Apple, DLNA for Android and Windows ecosystems, Harman Kardon's Onyx links you to your every audio need, wirelessly, and gets you up and running fast with the Harman Kardon Remote app for streaming your music from any source. Additionally, a rear USB port allows for easy-setup and charging of your devices while its auxiliary 3.5mm stereo input adds more options. Its battery life provides 5 hours of portable playback time (wirelessly) or 8 hours of playback (wired). Its other-worldly design features a stainless steel handle, aluminum-finish passive radiator and real leather - while its distinctive shape makes it the focal point of any room for both sight and sound. Close your eyes and savor the sound definition. Open your eyes and marvel at Harmon Kardon Onyx's ability to transform a room - any room - instantly.