Take the party with you anywhere. No wires and no power needed. With unparalleled bass and loudness and clear highs and vocals, up to 60 hours of battery play time. True Stereo 2.1 sound with 320 watts of bi-amplified power, it’s a portable system with HUGE sound. The 2 carat CZ Diamond indicates the battery level, backlight by color changing RGB LED. The enclosure is made from MDF and coated with ECO Friendly Acrytech Duratex coating. The front panel is aircraft grade aluminum, beautifuly brushed, anodized, and laser etched. This precision machined panel also keeps the amplifers cool, the party hot, and the weight down. All of the speakers use modern neo magnets for high performance and light weight, not outdated and heavy iron magnets like most. 100% Analog amplifiers with optical distortion limiters so you can turn it all the way up without distorting or loss of sound quality or bass! The front panel has 3.5mm AUX input for highest sound quality connection or use the easy to connect Bluetooth. The back panel contains the charging port for the included fast charger, full charge in 3 hours. Can charge and play at same time. Hand built in California, USA. 2 year warranty on parts and labor.