Take your favourite music with you everywhere you go with the SYLVANIA SP233BK Bluetooth Portable Boom Box in black. This portable boom box is equipped with Bluetooth technology, and has a built-in hands free microphone, so you can listen to music and answer calls at the same time. You can also connect non-Bluetooth devices to this boom box with the 3.5mm aux-in jack. This boom box also comes equipped with a rechargeable battery, so you can listen to your music for hours.