Pure acoustics high power portable bluetooth speaker has built-in 5" sub-woofer 127 mm,
2" mid-high range drivers, RMS 20 watt, S/N ratio 56 - 18.000 Hz >70dB,
Rechargeable lithium ion 4400 mAh battery, music playback time 8 hours, 3.5mm line-in,
Dimensions 310 x 110 x 150 mm.