With Party Mode you can pair an infinite number of Original Gen 3?s Rangers & Grandes for an unbeatable surround sound experience (FYI: Party mode does NOT work with the Gen 2?s). Rugged portable speaker with premium sound Engineered for the outdoors: IP-67 water drop and crush-proof 3-day battery life Pairs with Original Gen 3?s Rangers & Grandes in Party Mode or TWS (true wireless stereo) but does NOT pair with the Original Gen 2 IP-67 waterproof (fresh & saltwater) buoyant and submersible up to the 3 feet for 30 minutes 100% drop crush & dust-proof 3-day battery life 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 up to 100 feet for epic range Touch controls: Party Mode TWS (stereo pairing mode) play/pause next & volume Stainless steel tie-downs & rubber feet for stability USB-C output for device charging 120 decibels of sound Powe