The Philips SHE9500 In-Ear Ultra Sound headphones revel in ultra sound performance. With its exceptionally snug fit and powerful Neodymium speaker drivers you can enjoy the most outstanding sound performance an in-ear headphone can deliver. Three cap sizes are included for optimal fit. Passive noise isolation offers better sound at lower volumes. Copper Cladded Aluminum Wire also improves sound quality and the 24k gold-plated plug ensures a very reliable connection. Super soft rubber caps provide sensational comfort and the asymmetrical cable design keeps the cable out of the way. A carrying case is provided to protect your headphones when not in use. The 1.2 meter Flexi-Grip cable makes a strong flexible connection and is ideal for outdoor use. A split cable enables convenient remote control connection.