Panasonic RSX301 is a compact stereo system that offers a wide range of features for enjoying music and other audio content. With its built-in CD player, you can listen to your favorite CDs in high-quality sound. The system also features an AM/FM tuner, so you can tune in to your favorite radio stations. Additionally, the RSX301 has a USB port, so you can connect your smartphone, tablet, or other USB device and play music directly from it. The system also includes a 3.5mm auxiliary input, so you can connect other audio sources, such as a portable music player or computer.