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+With +illusions, both +illusions are controlled by MODE (short press to switch to illusions mode, long press to switch functions)Functional parameters:Speaker specification: 6.5 inches x 2Power: 20W(P.M.P.O: 2000W)Battery 18650/3.7V/2400MAHmachine size: 222 x 199 x 481mmMaterial: plasticcolour: BlackPackage Contents:1 x Outdoor Bluetooth Speaker1 x Mic1 x USB CableOnly the above package content, other products are not included.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.