The Pioneer CT-07D is a 7-inch digital car stereo that features Bluetooth capability, MP3/WMA playback, and a detachable face plate for added security against theft. It also has a USB input for playing audio files directly from a USB device, as well as a rear-view camera input for added safety when reversing. The CT-07D includes a steering wheel remote control and allows for customization of adjustment levels such as treble, bass, and balance. Overall, the Pioneer CT-07D is a versatile and functional update for older car audio systems.