The Anchor Audio BIG2-ECO1 is a Bigfoot 2 portable sound system with Bluetooth. The Speaker Reaches crowds of 5,000+ with its 130 dB of clear sound and powerful 400W AC and 400W DC modes. The built-in rechargeable batteries operate 6 - 8 hours on a single charge. This unit features Five 8" neodymium woofers, one neodymium compression driver and two universal microphone input jacks. The Bigfoot 2 ECO 1 package includes a MIC-90 wired handheld microphone with a 20 foot XLR cable.