The Variable-Colour Illumination offers 30 preset colour choices -- or you can even customise your own colour from over 30,000 variations. Additional features include Front AUX input, HS-IVi tuner, and 3-band parametric iEQ. You can also listen to DAB Radio with an optional tuner. Bluetooth® Wireless Technology with the included USB adapter allows hands-free calls and audio streaming, offering both safety and convenience. With front and rear USB ports, you can easily play music from your iPod/iPhone or USB devices, in pure sound, delivered by a MOS-FET power amp and TI/Burr-Brown 24-bit DAC.