The loudest JBL boombox with the most amazing bass ever Playtime for 24 hours will keep the celebration going. With its IPX7 waterproof design, make a statement. Use PartyBoost to link two Boombox 2s together. Make use of the integrated powerbank to recharge your device. Wattage of output: 80 watts Type of power source: battery-operated One JBL boombox, one JBL-branded power adapter, one quick start guide, one safety sheet, and one warranty card are included.