Replacement covert acoustic coil audio air tube for two way radio headsets kit. Black, hypo-allergenic acoustic tube,include ear bud.Soft plastic earbud fits snugly to either left or right ear and comfortable to wear. Flexible design, slingshot line, stretchable to prevent distortion. A universal accessory for two-way radio headphones. Provides excellent durability, reliability and performance in low-profile environment. Package includes 5 x Slingshot Line Conduits, 5 x Replace Earbuds.