Boss Audio Systems MR1308UAB is a versatile MP3-Compatible Digital Media Receiver that seamlessly integrates with your vehicle's audio system. It boasts a range of features for an enhanced listening experience, including Bluetooth connectivity for hands-free calling and audio streaming. Enjoy your favorite music from various sources such as USB drives, SD memory cards, or an auxiliary input. With its fully marinized design, the MR1308UAB is built to withstand the elements, making it an excellent choice for marine applications.