This Sylvania Wireless Bluetooth Portable Boom box is simply amazing! With the built in microphone you can listen to music and answer calls at the same time. Take this boom box on the go, use it in the kitchen, picnics, home office or dorm room! Sylvania provides this boom box with a rechargeable battery and a 3.5mm aux-in jack to connect other non-Bluetooth audio devices for music playback. Take this portable boom box anywhere you go!