Long run-time rechargeable, removable and replaceable Li-ion battery pack with 6+ hours of constant music playback at maximum output levels, or over 12+ hours at 95dB SPL average 8' woofer with SST waveguide and a 1' titanium dome tweeter produces professional-level output Easy to use with QuickSmart Mobile app and Electro-Voice's intuitive user interface High-quality stereo Bluetooth streaming with true wireless stereo (TWS) linking between two EVERSE speakers Powered by Dynacord with built-in digital 4-channel mixer Electro-Voice EVERSE 8 Weatherized Battery-Powered Loudspeaker With Bluetooth, White