Philips SHP8900 - Headphones ( ear-cup ) Comfortable and fully adjustable headphones with neodymium speaker drivers, Philips SHP8900, deliver superior sound clarity and wide frequency response. PRODUCT FEATURES: 50mm speaker driver for sound without audible distortion; The whole ear is covered to optimize sound quality; High quality Linear Crystal Oxygen Free Copper cable; Ergonomic cushions improve wearing comfort and bass; Easy adjustable headband ensures optimum fit and comfort; Breathable headband improves comfort for prolonged use; 24k gold-plated adaptor for ultra reliable connection;