Explosive Sound: Equipped with 2 10 woofers you’ll be able to optimize and customize your sound with the microphone echo control, and the bass/treble control. Whether you are jamming out by yourself or hosting an event the PBX-210 will provide you with remarkable sound quality that is unrivaled at this price point. As it plays the music, a spectrum of LED light patterns can pulse along to the music, syncing up with every beat.  Bluetooth Rechargeable TWS LED party lights AUX input FM radio USB/TF card ports ECHO CONTROL Adapter, aux cable, microphone, user manual. Battery Type: Lithium Ion Measurements: 15.5 Length/Inches, 26 Height/Inches, 13.4 Width/Inches Weight (lb.): 18 Lb Country of Origin: Imported