Altec Lansing HydraJolt 2.0 EverythingProof Bluetooth Portable Speaker, Black IP67 rating for waterproof, dustproof, and shockproof protection Floats in water for ease of use during outdoor activities Includes speaker mount, carabiner with bungee cord, and built-in magnet Up to 16 hours of playtime on a single charge Party Sync connects 100+ Hydra speakers for enhanced sound