Additional Details ------------------------------ Product description: Technical Specifications: Heavy-duty Coil Cable with IP68 Waterproof Plug Solid-state Speakers Designed for Maximum Sensitivity, efficiency, durability in dry or wet conditions, regardless of depth. Special Sound-blocking Muff Design eliminates ambient noise up to 24 decibels Heavy-duty Thick, Plush, Soft Polymer Cushions with full-ear surround. Heavy-duty Muff-to-Muff Connection Cable Adjustable Fully Padded Headband… No screws… No wire frame… No rust! Compact Carry and Storage foldable design. Material: Metal