BT Speaker with Speakerphone - Black. Seamlessly stream and share music, movies, and calls anywhere. Built-in BT receiver allows you to wirelessly connect to your iPad, iPhone, smartphone, Android tablet and more. Built-in microphone allows you to share conference calls anywhere from your phone or a computer. Support USB & micro SD. FM radio. Earphone jack. Disco light. Auxiliary input allows you to connect wired external audio devices. Built-in lithium rechargeable battery (300mah). Powered via USB 5v.