DemerBox: Waterproof, Portable, and Rugged Outdoor Bluetooth Speakers. Loud Sound, Deep Bass, 40+ hr Battery Life, Dry Box + USB Charging, Multi-Pairing Party Mode. Built to Last (

INCREDIBLY LOUD, CLEAR SOUND, POWERFUL BASS: With crisp highs and punchy bass our professional-grade sound excels, providing the soundtrack loud enough for your outdoor adventures. One DemerBox is plenty to get the party started, but pair multiple DemerBox speakers to create an outdoor sound system anywhere!