50mm Diameter Foam Headphone Sponge Cushions By providing comfort, noise isolation, improved sound quality, stability, and hygiene benefits, foam cushions enhance the overall functionality of headsets and headphones, making them more enjoyable to use for extended periods. Compatible with: Plantronics H51, H51N, H61, H61N, H91, H91N, H101, H101N, SP04, SP05, Supra, Plantronics Encore, PLX500, and SP Spirit headsets and most standard size office headsets Comfortable Placement & Improved Sound Quality Our foam cushions provide a soft and cushioned surface that rests against your ears. This padding helps alleviate pressure and distributes it more evenly, reducing discomfort during extended periods of use.The foam conforms to the shape of your ears, offering a snug fit and preventing soreness or fatigue. Improve sound quality by preventing sound leakage and reducing resonances. The foam material absorbs vibrations and minimizes sound leakage, resulting in better bass response and overall sound reproduction. Premium Quality, Durable and Skin-Friendly Materials for Lasting Comfort Made from high-quality materials that are resistant to wear and tear, as well as resistant to moisture and sweat. Retain their shape and softness over time.Reduce the likelihood of skin irritation or discomfort. Designed to be gentle on the skin and minimize the risk of allergic reactions.