Large 4mm driver unit. Tightly sealed acoustic design for high level of sound isolation and booming bass sound. Power handling capacity: 1??000mW</br>Ultra Thich pressure relieving earpads cushion your ears for unbeatable supreme comfort. Durable and lightweight flat cord (1.8m)</br>Frequency response: 15. 20??000Hz. Sensitivity: 108 dB/mW. Impedance 32. Plug: Gold Plated L - Shaped stereo mini p