The Turtlebox Gen 3 Bluetooth Speaker is a rugged, portable speaker with premium sound, 3-day battery life, and now with party mode. Engineered for the outdoors: 100% drop, crush and dust-proof. FeaturesIP-67 waterproof (fresh & saltwater), buoyant, and submersible up to the 3 feet for 30 minutes3-day battery life on a singular charge'Party mode'allows infinite pairing for ultimate listening experienceLeft, right stereo pairing for true surround sound with two Original speakers4 bluetooth connectivity up to 100 feet for epic rangeTouch controls for quick actions (stereo pairing, party mode, play/pause, next, & volume)Stainless steel tie-downs & rubber feet for stabilityUSB-C output for device charging