The Expedition Express+ packs more than enough power to entertain small, medium and large groups of up to 100 people. This lightweight, rechargeable speaker system weighs just under 12 pounds and delivers rich, full sound through its 6” woofer and 1” tweeter. Wirelessly stream music from any Bluetooth device for up to 20 hours on a single charge. Plus, it comes with a wired handheld microphone and cable to add your voice to the mix.