The Ear Cushion X2 40709-01 is a set of foam replacement pads for Plantronics and Poly headsets. It includes a pair of soft, circular foam pads designed to enhance comfort during extended use and to replace worn-out headset pads. The product is intended for compatible Plantronics headset families, including Encore, Blackwire 600 Series, Supra, PLX, and SP Spirit models. The pads are black, come in a pack of 2, and are genuine replacement parts.