Type: Dynamic, Closed-back Driver: ø50 mm, neodymium Sensitivity: 98 dB SPL (1mW) Frequency Response: 10-30,000 Hz Maximum Power: 200 mW Rated Impedance: 32 Ω (copper-coated aluminum wire) Earpad: Leatherette Headphone Caliper Pressure: 5 N Cable: Detachable 1-meter (3.3 ft.) & 3-meter (9.8 ft.) straight, single-sided; plugin cable on headphones (mini stereo connector) Connectors: Gold plated stereo mini plug Net Weight(without cable): 275 g (9.7 oz)