Sencor SSS 4001 is a digital audio system that delivers great sound quality for your music, movies, and more. With Bluetooth connectivity, you can wirelessly stream audio from your smartphone, tablet, or other Bluetooth-enabled devices. The system also features a built-in microphone for hands-free calling, and a USB port for playing music from flash drives or other USB devices. Whether you're using it for parties, relaxing at home, or on the go, the Sencor SSS 4001 is a versatile and powerful audio system that will meet your needs.