This Pioneer DEH-3300UB CD player is a top-of-the-line device for your car audio needs. With Bluetooth adapter, you can easily pair your phone and enjoy your favorite tunes. The unit size is 1 DIN, making it compatible with most vehicles. The model is DEH-3300UB, which is known for its high-quality sound output. Whether you're a music enthusiast or just looking for a reliable car audio system, this Pioneer CD player is a great. Bluetooth adapter is a plug and play unit that plugs into front USB and headphone jack. Headunit is in good working order, just upgraded.