Sony MDR-E9LPB Headphones, Black Features: Neodymium magnet - The 13.5 mm speaker reproduces a powerful bass sound; Can be used with a music player - Use the headphones with a WALKMAN®, iPod or MP3 player Choice of color - Wide range of colors available - match them with your music player or choose your favorite color; 1.2 m cable - Durable and lightweight 1.2 m cable; Ear tips included - Supplied with 2 ear tips for a more secure fit.