MX75 Sennheiser Sport Earbuds feature a twist-to-fit design that is perfect for those on-the-go and compliments our line of portable XM receivers nicely. These Earphones feature magnetic surfaces for convenient tangle-free handling. The rugged material, design, and moisture resistant construction make these headphones the ideal workout buddy. Lightweight, durable, and powerful sound--these earbuds are what you have needed all along! Because of ruggedness and resitance to sweat and water these are perfect for most any athletic activity. The MX75 is ergonomically designed for optimum fit and comfort. Accessories include an ear adapter set, cable clip, and soft-sided carrying case. Sennheiser We are proud to bring the Sennheiser line of product to satellite radio. They make quality, long-lasting headphones that are built to please. Sennheiser is recognized as the world leader in microphone technology, RF-wireless and infrared sound transmission, headphone reducer technology, and active noise-cancelling. Their variety of products are made to fit everyones needs. If you are a tough person to satisfy, Sennheiser is the way to go. Package Details: Includes: • MX75 Headphones • Carry Case • Ear adapter set Product Features: Innovative: Innovative holding design (twist-to-fit system) provides best possible fit Compatible: Works with any MP3, CD, and Sirius Receiver Powerful: Powerful neodymium magnets for detailed sound Water Resistant: Sweat and water-resistant Rugged: Extremely rugged earphones and cable Magnetic: Earphones feature magnetic surfaces for convenient tangle-free handling Technical Specifications: Model #: MX75 Manufacturer: Sennheiser Shipping Weight: 2 lbs. Available Documentation: In order to view our radio hardware manuals online, you will need to have Adobes Acrobat Reader installed on your computer. If you do not yet have Acrobat Reader, please visit Adobes web site to download the reader free of charge. MX75 User Guide (n/a)