KDC-BT51U MP3/WMA/AAC/CD/USB-Receiver with AUX Input, iPod control and Bluetooth built-in Detachable FaceplateMade for iPod & iPhone *Variable color illuminationOptional IR remote controllerBluetooth unit built-in USB Car Stereo KDC-220UICD-Receiver with Front USB & AUX InputKDC-130UBCD-Receiver with Front USB & AUX Input.KDC-130UGCD-Receiver with Front USB & AUX Input.KDC-130URCD-Receiver with Front USB & AUX Input.