Full size , closed type; excellent ambient sound isolating Soft earpads for long time wearing Designed for listening at home and portable appication Enhanced frequency response ; Max input power 1000 mW@ 1K Hz Metal headband slide to adjust smoothly and reinforce headband surportness Cable can be detached from earcups; 3 M straight cable included.   Closed type Driver unit : 40mm, dynamic Impedance; 32 ohms Sensitivity  98 dB Frequency Response : 10Hz- 22K Hz Maximum input power : 1000mW