Relax with the Sony CDX-GT660UP MP3/USB in-dash receiver when driving to different destinations with music in the background. Keep your vehicle's stereo rocking with this device that features both AM/FM radio receivers and a CD player slot. Connect a variety of digital players to an auxiliary input and blast out your own sets of playlists while cruising down the highway. The built-in Bluetooth technology also allows individuals to stream different audio apps and comfortably make calls. In addition, the wireless remote helps take control of the audio output at any given time. Anyone can showcase a sense of class and elegance by installing this workhorse device designed with variable illuminations of colors on its screen.The advanced sound engine and time alignment offer streamlined performance from almost any audio source, including CD, radio, SiriusXM, and auxiliary devices. For additional entertainment and news, the integrated AM/FM satellite radio tuner covers a wide range of frequencies. These features are complemented by Quick-BrowZer, Rear Bass Enhancer, and Zappin for navigating quickly between different menus. While driving, the front-facing USB and aux inputs for connecting your audio devices are also a convenience. Similarly, the variable illumination of the CDX-GT660UP spices up the fun.The Sony CD player weighs only 3.3 pounds, and it measures 7.09 by 1.97 by 7.01 inches. It is also compatible with a lot of Apple electronics, including the iPhone and iPod. General features are enhanced by iPod control, which allows you to perform repeat and shuffle functions for tracks, albums, playlists, genres, and podcasts. Additional iPod controls include list browsing and passenger control. Along with connecting an iPhone or iPod, the USB port accepts thumb drives storage device accessories.The flip-down face of the CDX-GT660UP offers large stereo screen, while the detachable interface is particularly useful for theft protection. There is even a caution car audio alarm that reminds the user to detach the unit before leaving the vehicle. For added safety, the CD player is also hidden behind the face plate. If desired, users use the face-fixing screw to permanently fix the in-dash receiver. Another interesting feature is the LCD display that allows users to view multiple pieces of information on the display screen. Users view the source, station information, track number, artist info, song title, and much more.The Dynamic Color Illuminator of the Sony CDX-GT660UP MP3/USB in-dash receiver car stereo matches the mood and theme of the car lighting. In fact, there are three different dimmer modes. Customize the head unit display to automatically shuffle the lighting system for day and night separately. There is even a sound synchronization control that changes lights according to the synchronization of music. For better visibility, the receiver also lets you display the menu in bold white colors when the multicolor synchronization is in full flow. Overall, Sony CDX is a versatile accessory that comes with a variety of functions. Its disc compatibility unit is practical and efficient as it can play digital music, CD-Audio, CD-Text, and finalized CD-R/CD-RW audio discs.