Ultrasone Pro 900 Professional Headphones - dynamic, closed, foldable, Natural Surround Sound PLUS, 6Hz-42kHz, 40 Ohms, 96dB SPL. Includes hard case, 1x straight 3m cable, 1x coiled 3m cable, gold-plated 1/4" to mini-jack adapter, black & silver velvet ear pads. Weight: 295g (excluding cable), 5 years manufacturer warranty