Built for life s biggest pursuits, the Grande is TurtleBox's largest speaker, delivering mind blowing, concert-level sound. Engineered for the outdoors, featuring party mode. Product Features Largest, loudest speaker IP-67 waterproof and floats Drop, crush, and dust-proof Party Mode and TWS Mode 40+ hours of battery life Ideal for 1-100 people Pro audio mount Product Specifications IP-67 waterproof (fresh & saltwater), buoyant, and submersible up to the 3 feet for 30 minutes 100% drop, crush & dust-proof 40+ hours of concert-level sound on a singular charge Party Mode allows for infinite pairing for an unbeatable surround sound experience True wireless stereo (TWS) allows for classic left, right stereo pairing 5.4 bluetooth connectivity Touch controls: Party Mode, TWS (stereo pairing mode), play/pause, next, and volume Stainless steel tie-downs & rubber feet USB-C for device charging Built-in microphone 126 decibels of sound 2 powerful, Class D digital amplifiers with enhanced DSP tuning for optimal audio performance 1.25" Titanium tweeter 10" woofer 158Wh Lithium-ion battery