The Auna Active Speaker System is a multi-functional 5.1 surround sound system with a clear LED display, ideal for home cinema use. The system features an active 6.5" subwoofer, with AUX ports on one side for connecting to CD players, MP3 players, and computers, and on the other side, five 3" directed satellite speakers. The system features a USB port on the front which allows for communication with USB sticks and MP3 players, as well as an SD/MMC memory card slot. The bluetooth interface enables wireless streaming of music via your smartphone, laptop, or other bluetooth device. The speaker chain is wired, and with a connection diagram on the main unit and detailed instructions in the manual the assembly is quick and easy. Menus and sound settings may be adjusted via the included remote control.