The Pioneer MXT-S3166BT is a digital media receiver designed for upgrading your car's audio system. With a sleek 1 DIN design, this unit includes features such as steering wheel control compatibility, USB input, equalizer, smartphone charging capability, detachable face, auxiliary input, and Bluetooth readiness. This upgrade allows you to enjoy a seamless and high-quality audio experience while on the road, without the need for a CD player. With the Pioneer brand known for its reliable and high performance audio products, the MXT-S3166BT is a great choice for enhancing your car's sound system.