Bump your favorite tunes at your next tailgate with the DemerBox DB2 Portable Bluetooth Speaker. This lightweight and compact speaker has a clear sound and powerful bass, allowing you to wirelessly connect with Bluetooth at a range of up to 100 feet! The integrated crush-proof and waterproof Pelican case with Port Plug securely stores your valuables and features internal USB charging for your devices. Sync up to six of these speakers together for a full outdoor sound system!. DESIGN Bluetooth dual speaker and Pelican case Lightweight and compact size Port Plug installs to make speaker fully waterproof Clear sound with powerful bass Crush-proof case stores and protects valuable items Internal USB charging capability for portable devices Up/down volume switch TECHNOLOGY 3-inch, 8ohm aluminum cone speakers with rubber surround drivers 94db@1ft. 11w per channel RMS. Class D audio circuitry 100 foot (30 meter) Bluetooth range 3.5mm audio input jack Can pair up to 6 DemerBox speakers together to create full outdoor sound system SPECS Dimensions: 10.62" x 9.68" x 6.87" Weight: 5.44 lbs. Battery Life: 40 hours Charge Time: 4 hours Materials: 316 stainless steel, molded ABS, molded Polypropylene Additional Details Made in the USA Includes AC charger, 3.5mm aux cable, Port Plug, and Quick Start Guide 30-Day Manufacturer's Satisfaction Guarantee