Equipped with BT/FM/USB/TF card/MIC, DC-5V charging (Type-c), USB with 5V boost, no remote control+lithium battery protection, microphone holder with external installation+single power amplifier, potentiometer volume, and box to box function<br> +With +illusions, both +illusions are controlled by MODE (short press to switch to illusions mode, long press to switch functions)<br> Functional parameters:<br> Speaker specification: 6.5 inches x 2<br> Power: 20W(P.M.P.O: 2000W)<br> Battery 18650/3.7V/2400MAH<br> machine size: 222 x 199 x 481mm<br> Material: plastic<br> colour: Black<br> Package Contents:<br> 1 x Outdoor Bluetooth Speaker<br> 1 x Mic<br> 1 x USB Cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.