HD 280 PRO Dynamic, closed-ear headphones.Weight w/o cable: 285 g. Ear coupling is circumaural Lightweight and comfortable, ergonomic design, Cord Length - 3.3 - 9.8 feet Coiled Extended frequency response and warm, natural sound reproduction. Nominal impedance - 64 Ω.Sound pressure level (SPL)- 113 dB Around-the-ear design with padded ear cups - Dynamic, closed-ear headphones with up to 32 dB attenuation of outside sound. Frequency response (Headphones)- 8 - 25000 Hz Ear pads, headband padding, and audio cord are easily replaceable, ensuring long life