Philips SHL9500 Lightweight Premium Headband Headphones (Discontinued by Manufacturer) 40mm speaker driver delivers sound without audible distortion Headphones fold extremely flat so they fit in your pocket or bag Ultra lightweight design with headband padding and comfort ear cushions Neodymium magnet produces a strong magnetic field for greater bass respose 24k Gold plated plug guves a nire rekuabke connection for better sound quality