Philips SHL4100 Headband with Buds Headphone Philips Headban Hphone SHL4100 Features The SHL4100 are mini headband style headphones that fold neatly into pocket-sized compact. Special forward facing speaker provides extra comfort and fit all ears. Neodymium magnets Neodynium is the best material for producing a strong magnetic field for greater sensitivity in a voice coil, great bass response and high overall sound quality. 24k gold-plated plug Rest assured that the precious metal gold finishing on the plug will give you a more reliable connection for better quality audio. Ultra lightweight headband The slim, lightweight stainless steel headband is so light you'll hardly notice you're wearing it. 15 mm speaker driver Small enough for optimum wearing comfort and big enough to deliver crisp, non-distorted sound, the 15 mm speaker driver is an ideal size for listening enjoyment. Foldable for compactness The headphone is designed to fold extremely small, so it fits in your pocket.