The Kenwood DPX404U 2-DIN CD/USB-Receiver features an LCD display with variable colour illumination that lets you view the play status. Its rotary control knob lets you adjust the volume accordingly. It features a radio data system tuner with radio text plus and OEM steering wheel remote terminal. You can transfer or play music files using its Bluetooth connection. It is specially designed for use with iPod and iPhone devices. With its front USB and AUX input, this receiver lets you connect music players or external devices. In addition, it is compatible with Kenwood Music editor Lite software.