Listen to music via Bluetooth from your micro SD card or with a 3.5mm audio cable with these FCC certified All-Day DJ Bluetooth speakers with FM radio. Each features a 3 watt capacity and includes a Li-on battery that can be recharged with an included 2-in-1 3.5mm audio/micro USB charging cable. Play FM radio and music directly off of the USB drive for versatile function. An audio voice warns of low battery and a control panel on the top of the speaker puts the power in your hand. Enjoy operating distances of up to 15 meters. Instructions are included and each is individually boxed.