JBL Boombox 2 brings it with monstrous bass bold design and up to 24 hours of playtime, 10000mAh battery capacity, IPX7 waterproof and portable design. This is powerful speaker pumps out massive sound, 2.402 GHz-2.480 GHz bluetooth frequency, GFSK / π/4 DQPSK and 8DPSK bluetooth transmitted modulation, 3.5 mm audio cable input, 48.5 x 20.1 x 25.7cm dimension, 5.9Kg weight.