Blue Ant Features «Powerful 60:Watt Party Speaker * Highly Efficient Class D Amplifier = Bass Boost Button «Akg and highly portable | 2 x Bonus Microphones «Upton 20 hours play time* (50% volume) * *Contentious Play on AC charger + 110dB+ SPL output of Dynamic HQ Audio «2 EQ Modes Tuned by Studio Engineers + Bluetooth® 5.0, USB and Aux playback options = 1x 196mm woofer (6.5in) 1x 59mm tweeter (2.