The Memorex in-ear earbuds feature the ultra comfortable Soundelity eartips. Based on the patented Howard Leight memory foam technology, Soundelity eartips are soft and self-conforming to each user's unique ear canal shapes. Results are a more personal fit for extended wear comfort. Additionally, Soundelity eartips offer superior passive noise blocking thanks to the properties of the self-conforming foam. Ultra-compact 10mm and 14mm drivers produce powerful sound Patented Soundelity? foam eartip technology gently conforms to your specific ear canal shape, offering a personal fit feel and superior comfort Gold-plated mini plug offers exceptional corrosion resistance, superb conductivity, and low noise Angled plug fits directly into most MP3 players, including iPod and iPhone models, as well as laptops and portable CD and DVD players